6,027,200
Nine million, one hundred twenty thousand, seven hundred forty
Two million, six hundred twenty-eight thousand.
Three million, one hundred twenty-six thousand, one hundred
Nine hundred three million, seven hundred twenty one thousand, six hundred twenty five. or Nine hundred and three million, seven hundred and twenty one thousand, six hundred and twenty five.
In words, 20100000 is "twenty million one hundred thousand." This number can be broken down as follows: 20,000,000 (twenty million) + 1,000 (one thousand). The "and" is typically not used when writing out numbers in this format.
One million, seven hundred twenty-seven thousand, seven hundred and twenty
twenty-one million, five hundred thousand
If you mean write out in English text, it is twenty one million six hundred thousand fifty.
Three hundred twenty-three million, six hundred forty-seven thousand, two hundred twenty-five
20,607,025
Twenty-one million, eight hundred twelve thousand, seven hundred twenty-three.
1,227,928 = one million, two hundred twenty-seven thousand, nine hundred twenty-eight.