We divide 20039874 by 25
The aim is to understand the frequency of 25 in 20039874.

Advancing to step 1:
25 goes into 2 0 times with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Fetch the next digit (0) from the dividend, attach it to 2 and continue: 20 / 25

Advancing to step 2:
25 goes into 20 0 times with a remainder of 20.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 20, we get 20.
Grab the next digit (0) from the dividend, add it to 20, then carry on: 200 / 25

Moving on to step 3:
The number 25 fits into 200 8 times, leaving a remainder of 0.
Write down 8 as next digit of the result. 
Result so far: 8.0
Deduct 200 from 200 and we're left with 0.
Bring next digit (3) of the dividend behind the 0 and repeat the process: 3 / 25

On to step 4:
25 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 80.0
If we subtract 0 from 3, we get 3.
Fetch the next digit (9) from the dividend, attach it to 3 and continue: 39 / 25

On to step 5:
25 goes into 39 1 times with a remainder of 14.
The number 1 becomes the next digit in our result. 
Result so far: 801.0
Deduct 25 from 39 and we're left with 14.
Fetch the next digit (8) from the dividend, attach it to 14 and continue: 148 / 25

Step 6:
When dividing 148 by 25, we get 5 with a remainder of 23.
Record the quotient 5 as the next digit in the result. 
Result so far: 8015.0
Subtract 125 from 148 to get 23.
Append the next digit (7) from the dividend to 23 and continue with: 237 / 25

Moving on to step 7:
When dividing 237 by 25, we get 9 with a remainder of 12.
Put 9 as the next digit of the answer. 
Result so far: 80159.0
Subtracting 225 from 237 leaves us with 12.
Append the next digit (4) from the dividend to 12 and continue with: 124 / 25

On to step 8:
The number 25 fits into 124 4 times, leaving a remainder of 24.
Put 4 as the next digit of the answer. 
Result so far: 801594.0
If we take 100 away from 124, we end up with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 9:
25 can be fit into 240 9 times, resulting in a remainder of 15.
The next digit of our result is 9. 
Result so far: 801594.9
Deduct 225 from 240 and we're left 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.

Let's proceed to step 10:
The number 25 fits into 150 6 times, leaving a remainder of 0.
The next digit of our result is 6. 
Result so far: 801594.96
If we subtract 150 from 150, 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.

Step 11:
When dividing 0 by 25, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 801594.96
If we take 0 away from 0, we end up 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.

Step 12:
If we divide 0 by 25, we get 0 and a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 801594.96
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.

The final result is 801594.96 with a remainder of 0.0.