10202021120 has 72 divisors (see below), whose sum is σ = 25723249440. Its totient is φ = 3866019840.

The previous prime is 10202021119. The next prime is 10202021213. The reversal of 10202021120 is 2112020201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185426 + ... + 234065.

Almost surely, 2^10202021120 is an apocalyptic number.

10202021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202021120 is an abundant number, since it is smaller than the sum of its proper divisors (15521228320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10202021120 is an equidigital number, since it uses as much as digits as its factorization.

10202021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419531 (or 419517 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10202021120 its reverse (2112020201), we get a palindrome (12314041321).

The spelling of 10202021120 in words is "ten billion, two hundred two million, twenty-one thousand, one hundred twenty".