We look at the division of 577364 by 20 
We want to divide 577364 by 20.

Advancing to step 1:
The number 20 fits into 5 0 times, leaving a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Take the next digit (7) from the dividend and append it to 5, then repeat: 57 / 20

Going ahead to step 2:
20 can be fit into 57 2 times, resulting in a remainder of 17.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
The remainder is 17 after subtracting 40 from 57.
Bring next digit (7) of the dividend behind the 17 and repeat the process: 177 / 20

Step 3:
20 goes into 177 8 times with a remainder of 17.
The number 8 becomes the next digit in our result. 
Result so far: 28.0
The remainder is 17 after subtracting 160 from 177.
Fetch the next digit (3) from the dividend, attach it to 17 and continue: 173 / 20

Advancing to step 4:
The number 20 fits into 173 8 times, leaving a remainder of 13.
Use 8 as the next digit of our solution. 
Result so far: 288.0
Subtract 160 from 173 to get 13.
Append the next digit (6) from the dividend to 13 and continue with: 136 / 20

Moving on to step 5:
20 goes into 136 6 times with a remainder of 16.
The next digit of our result is 6. 
Result so far: 2886.0
Subtract 120 from 136 to get 16.
Fetch the next digit (4) from the dividend, attach it to 16 and continue: 164 / 20

Step 6:
20 can be fit into 164 8 times, resulting in a remainder of 4.
Record the quotient 8 as the next digit in the result. 
Result so far: 28868.0
The remainder is 4 after subtracting 160 from 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
The number 20 fits into 40 2 times, leaving a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 28868.2
Subtracting 40 from 40 leaves us 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:
The number 20 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 28868.2
The remainder is 0 after subtracting 0 from 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 9:
0 divided by 20 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 28868.2
Subtracting 0 from 0 leaves us 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.

The final result is 28868.2 with a remainder of 0.0.