22720013321010 has 64 divisors (see below), whose sum is σ = 57416045270400. Its totient is φ = 5737981151232.

The previous prime is 22720013321009. The next prime is 22720013321023. The reversal of 22720013321010 is 1012331002722.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4482669 + ... + 8095328.

It is an arithmetic number, because the mean of its divisors is an integer number (897125707350).

Almost surely, 2^{22720013321010} is an apocalyptic number.

22720013321010 is an abundant number, since it is smaller than the sum of its proper divisors (34696031949390).

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

22720013321010 is a wasteful number, since it uses less digits than its factorization.

22720013321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12581195.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 22720013321010 its reverse (1012331002722), we get a palindrome (23732344323732).

The spelling of 22720013321010 in words is "twenty-two trillion, seven hundred twenty billion, thirteen million, three hundred twenty-one thousand, ten".