22120013031504 has 20 divisors (see below), whose sum is σ = 57143366998176. Its totient is φ = 7373337677152.

The previous prime is 22120013031449. The next prime is 22120013031509. The reversal of 22120013031504 is 40513031002122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120013031509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230416802364 + ... + 230416802459.

Almost surely, 2^{22120013031504} is an apocalyptic number.

22120013031504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22120013031504 is an abundant number, since it is smaller than the sum of its proper divisors (35023353966672).

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

22120013031504 is a wasteful number, since it uses less digits than its factorization.

22120013031504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460833604834 (or 460833604828 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 22120013031504 its reverse (40513031002122), we get a palindrome (62633044033626).

The spelling of 22120013031504 in words is "twenty-two trillion, one hundred twenty billion, thirteen million, thirty-one thousand, five hundred four".