10021333220 has 24 divisors (see below), whose sum is σ = 21959792064. Its totient is φ = 3834249056.

The previous prime is 10021333219. The next prime is 10021333249. The reversal of 10021333220 is 2233312001.

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, 10892294 + ... + 10893213.

It is an arithmetic number, because the mean of its divisors is an integer number (914991336).

Almost surely, 2^10021333220 is an apocalyptic number.

10021333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021333220 is an abundant number, since it is smaller than the sum of its proper divisors (11938458844).

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

10021333220 is a wasteful number, since it uses less digits than its factorization.

10021333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21785539 (or 21785537 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10021333220 its reverse (2233312001), we get a palindrome (12254645221).

The spelling of 10021333220 in words is "ten billion, twenty-one million, three hundred thirty-three thousand, two hundred twenty".