We divide 20437570 by 880
The aim is to understand the frequency of 880 in 20437570.

Let's proceed to step 1:
2 divided by 880 is 0 with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Append the next digit (0) from the dividend to 2 and continue with: 20 / 880

Going ahead to step 2:
20 divided by 880 is 0 with a remainder of 20.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 20 to get 20.
Bring next digit (4) of the dividend behind the 20 and repeat the process: 204 / 880

Step 3:
If we divide 204 by 880, we get 0 and a remainder of 204.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 204 to get 204.
Grab the next digit (3) from the dividend, add it to 204, then carry on: 2043 / 880

Let's proceed to step 4:
The number 880 fits into 2043 2 times, leaving a remainder of 283.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we subtract 1760 from 2043, we get 283.
Take the next digit (7) from the dividend and append it to 283, then repeat: 2837 / 880

Going ahead to step 5:
880 can be fit into 2837 3 times, resulting in a remainder of 197.
The number 3 becomes the next digit in our result. 
Result so far: 23.0
If we subtract 2640 from 2837, we get 197.
Take the next digit (5) from the dividend and append it to 197, then repeat: 1975 / 880

Going ahead to step 6:
880 can be fit into 1975 2 times, resulting in a remainder of 215.
Put 2 as the next digit of the answer. 
Result so far: 232.0
Subtracting 1760 from 1975 leaves us with 215.
Include the next digit (7) from the dividend after 215, then repeat: 2157 / 880

Going ahead to step 7:
880 can be fit into 2157 2 times, resulting in a remainder of 397.
Put 2 as the next digit of the answer. 
Result so far: 2322.0
Subtract 1760 from 2157 to get 397.
Include the next digit (0) from the dividend after 397, then repeat: 3970 / 880

Step 8:
3970 divided by 880 is 4 with a remainder of 450.
The next digit of our result is 4. 
Result so far: 23224.0
Subtract 3520 from 3970 to get 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4500, and continue the process.

Step 9:
When dividing 4500 by 880, we get 5 with a remainder of 100.
Write down 5 as next digit of the result. 
Result so far: 23224.5
Subtracting 4400 from 4500 leaves us with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Let's proceed to step 10:
880 can be fit into 1000 1 times, resulting in a remainder of 120.
Write down 1 as next digit of the result. 
Result so far: 23224.51
Subtract 880 from 1000 to get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Moving on to step 11:
When dividing 1200 by 880, we get 1 with a remainder of 320.
The number 1 becomes the next digit in our result. 
Result so far: 23224.511
If we subtract 880 from 1200, we get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

The final outcome is 23224.511, with a leftover of 0.032.