We look at the division of 520410 by 25 
We want to divide 520410 by 25.

On to step 1:
The number 25 fits into 5 0 times, leaving a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Take the next digit (2) from the dividend and append it to 5, then repeat: 52 / 25

Let's proceed to step 2:
25 goes into 52 2 times with a remainder of 2.
The next digit of our result is 2. 
Result so far: 2.0
Subtract 50 from 52 to get 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 25

Let's proceed to step 3:
When dividing 20 by 25, we get 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 20.0
The remainder is 20 after subtracting 0 from 20.
Grab the next digit (4) from the dividend, add it to 20, then carry on: 204 / 25

Moving on to step 4:
When dividing 204 by 25, we get 8 with a remainder of 4.
The number 8 becomes the next digit in our result. 
Result so far: 208.0
The remainder is 4 after subtracting 200 from 204.
Take the next digit (1) from the dividend and append it to 4, then repeat: 41 / 25

Moving on to step 5:
If we divide 41 by 25, we get 1 and a remainder of 16.
Record the quotient 1 as the next digit in the result. 
Result so far: 2081.0
If we take 25 away from 41, we end up with 16.
Grab the next digit (0) from the dividend, add it to 16, then carry on: 160 / 25

Let's proceed to step 6:
When dividing 160 by 25, we get 6 with a remainder of 10.
Use 6 as the next digit of our solution. 
Result so far: 20816.0
Deduct 150 from 160 and we're left 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.

On to step 7:
When dividing 100 by 25, we get 4 with a remainder of 0.
Write down 4 as next digit of the result. 
Result so far: 20816.4
Deduct 100 from 100 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.

Let's proceed to step 8:
When dividing 0 by 25, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 20816.4
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.

Step 9:
The number 25 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 20816.4
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.

After the division, we end up with 20816.4 and a remainder of 0.0.