105915 divided by 20 
Let's see how many times 20 fits into 105915.

Step 1:
1 divided by 20 is 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Take the next digit (0) from the dividend and append it to 1, then repeat: 10 / 20

Step 2:
When dividing 10 by 20, we get 0 with a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 10 after subtracting 0 from 10.
Grab the next digit (5) from the dividend, add it to 10, then carry on: 105 / 20

Let's proceed to step 3:
If we divide 105 by 20, we get 5 and a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 5.0
Subtracting 100 from 105 leaves us with 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 20

On to step 4:
20 can be fit into 59 2 times, resulting in a remainder of 19.
Put 2 as the next digit of the answer. 
Result so far: 52.0
If we subtract 40 from 59, we get 19.
Bring next digit (1) of the dividend behind the 19 and repeat the process: 191 / 20

Step 5:
20 can be fit into 191 9 times, resulting in a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 529.0
If we subtract 180 from 191, we get 11.
Grab the next digit (5) from the dividend, add it to 11, then carry on: 115 / 20

On to step 6:
When dividing 115 by 20, we get 5 with a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 5295.0
Subtracting 100 from 115 leaves us with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Going ahead to step 7:
20 can be fit into 150 7 times, resulting in a remainder of 10.
Use 7 as the next digit of our solution. 
Result so far: 5295.7
Subtracting 140 from 150 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.

Moving on to step 8:
The number 20 fits into 100 5 times, leaving a remainder of 0.
The next digit of our result is 5. 
Result so far: 5295.75
Subtracting 100 from 100 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.

Advancing to step 9:
0 divided by 20 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 5295.75
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 10:
20 can be fit into 0 0 times, resulting in a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 5295.75
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.

After the division, we end up with 5295.75 and a remainder of 0.0.