We're dividing 817407 by 20 
We want to divide 817407 by 20.

On to step 1:
The number 20 fits into 8 0 times, leaving a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 20

Moving on to step 2:
20 can be fit into 81 4 times, resulting in a remainder of 1.
Write down 4 as next digit of the result. 
Result so far: 4.0
Subtracting 80 from 81 leaves us with 1.
Bring next digit (7) of the dividend behind the 1 and repeat the process: 17 / 20

Step 3:
When dividing 17 by 20, we get 0 with a remainder of 17.
Write down 0 as next digit of the result. 
Result so far: 40.0
Subtracting 0 from 17 leaves us with 17.
Take the next digit (4) from the dividend and append it to 17, then repeat: 174 / 20

Step 4:
When dividing 174 by 20, we get 8 with a remainder of 14.
Record the quotient 8 as the next digit in the result. 
Result so far: 408.0
Subtract 160 from 174 to get 14.
Grab the next digit (0) from the dividend, add it to 14, then carry on: 140 / 20

Let's proceed to step 5:
20 goes into 140 7 times with a remainder of 0.
Write down 7 as next digit of the result. 
Result so far: 4087.0
The remainder is 0 after subtracting 140 from 140.
Fetch the next digit (7) from the dividend, attach it to 0 and continue: 7 / 20

Going ahead to step 6:
The number 20 fits into 7 0 times, leaving a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 40870.0
Subtract 0 from 7 to get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Step 7:
20 goes into 70 3 times with a remainder of 10.
Put 3 as the next digit of the answer. 
Result so far: 40870.3
Subtracting 60 from 70 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 8:
20 can be fit into 100 5 times, resulting in a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 40870.35
The remainder is 0 after subtracting 100 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
If we divide 0 by 20, we get 0 and a remainder of 0.
The next digit of our result is 0. 
Result so far: 40870.35
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 10:
If we divide 0 by 20, we get 0 and a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 40870.35
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 40870.35, and the remainder is 0.0.