We look at the division of 20420737 by 39 
We're looking to find how many times 39 goes into 20420737.

Step 1:
When dividing 2 by 39, we get 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Append the next digit (0) from the dividend to 2 and continue with: 20 / 39

Advancing to step 2:
20 divided by 39 is 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 20 and we're left with 20.
Include the next digit (4) from the dividend after 20, then repeat: 204 / 39

On to step 3:
If we divide 204 by 39, we get 5 and a remainder of 9.
Put 5 as the next digit of the answer. 
Result so far: 5.0
If we subtract 195 from 204, we get 9.
Grab the next digit (2) from the dividend, add it to 9, then carry on: 92 / 39

On to step 4:
If we divide 92 by 39, we get 2 and a remainder of 14.
Put 2 as the next digit of the answer. 
Result so far: 52.0
If we subtract 78 from 92, we get 14.
Append the next digit (0) from the dividend to 14 and continue with: 140 / 39

Step 5:
39 goes into 140 3 times with a remainder of 23.
Use 3 as the next digit of our solution. 
Result so far: 523.0
Subtracting 117 from 140 leaves us with 23.
Fetch the next digit (7) from the dividend, attach it to 23 and continue: 237 / 39

Advancing to step 6:
39 goes into 237 6 times with a remainder of 3.
Write down 6 as next digit of the result. 
Result so far: 5236.0
If we take 234 away from 237, we end up with 3.
Fetch the next digit (3) from the dividend, attach it to 3 and continue: 33 / 39

Going ahead to step 7:
When dividing 33 by 39, we get 0 with a remainder of 33.
Put 0 as the next digit of the answer. 
Result so far: 52360.0
The remainder is 33 after subtracting 0 from 33.
Include the next digit (7) from the dividend after 33, then repeat: 337 / 39

Step 8:
The number 39 fits into 337 8 times, leaving a remainder of 25.
The number 8 becomes the next digit in our result. 
Result so far: 523608.0
Subtracting 312 from 337 leaves us with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

On to step 9:
When dividing 250 by 39, we get 6 with a remainder of 16.
The number 6 becomes the next digit in our result. 
Result so far: 523608.6
If we take 234 away from 250, we end up with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 10:
The number 39 fits into 160 4 times, leaving a remainder of 4.
The next digit of our result is 4. 
Result so far: 523608.64
Subtracting 156 from 160 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 11:
When dividing 40 by 39, we get 1 with a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 523608.641
The remainder is 1 after subtracting 39 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 12:
The number 39 fits into 10 0 times, leaving a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 523608.641
Subtracting 0 from 10 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 13:
The number 39 fits into 100 2 times, leaving a remainder of 22.
Use 2 as the next digit of our solution. 
Result so far: 523608.64102
If we take 78 away from 100, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Step 14:
220 divided by 39 is 5 with a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 523608.641025
The remainder is 25 after subtracting 195 from 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 15:
39 goes into 250 6 times with a remainder of 16.
Use 6 as the next digit of our solution. 
Result so far: 523608.6410256
Deduct 234 from 250 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 16:
160 divided by 39 is 4 with a remainder of 4.
Record the quotient 4 as the next digit in the result. 
Result so far: 523608.64102564
Subtract 156 from 160 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Our division results in 523608.64102564 with a remaining 4e-09.