242866 ÷ 20 
We're looking to find how many times 20 goes into 242866.

Moving on to step 1:
If we divide 2 by 20, we get 0 and a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Append the next digit (4) from the dividend to 2 and continue with: 24 / 20

Let's proceed to step 2:
The number 20 fits into 24 1 times, leaving a remainder of 4.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 20 from 24 and we're left with 4.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 20

Step 3:
20 can be fit into 42 2 times, resulting in a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 12.0
The remainder is 2 after subtracting 40 from 42.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 20

Let's proceed to step 4:
If we divide 28 by 20, we get 1 and a remainder of 8.
The number 1 becomes the next digit in our result. 
Result so far: 121.0
Subtracting 20 from 28 leaves us with 8.
Take the next digit (6) from the dividend and append it to 8, then repeat: 86 / 20

Advancing to step 5:
When dividing 86 by 20, we get 4 with a remainder of 6.
Record the quotient 4 as the next digit in the result. 
Result so far: 1214.0
The remainder is 6 after subtracting 80 from 86.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 20

Step 6:
20 can be fit into 66 3 times, resulting in a remainder of 6.
Put 3 as the next digit of the answer. 
Result so far: 12143.0
Subtract 60 from 66 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 7:
When dividing 60 by 20, we get 3 with a remainder of 0.
The number 3 becomes the next digit in our result. 
Result so far: 12143.3
Deduct 60 from 60 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 8:
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: 12143.3
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.

Advancing 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: 12143.3
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 12143.3 and a remainder of 0.0.