22113431320 has 32 divisors (see below), whose sum is σ = 49953471120. Its totient is φ = 8810128000.

The previous prime is 22113431299. The next prime is 22113431321. The reversal of 22113431320 is 2313431122.

It is a junction number, because it is equal to n+sod(n) for n = 22113431291 and 22113431300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113431321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091227 + ... + 1111306.

Almost surely, 2^22113431320 is an apocalyptic number.

22113431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113431320 is an abundant number, since it is smaller than the sum of its proper divisors (27840039800).

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

22113431320 is a wasteful number, since it uses less digits than its factorization.

22113431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202795 (or 2202791 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22113431320 its reverse (2313431122), we get a palindrome (24426862442).

The spelling of 22113431320 in words is "twenty-two billion, one hundred thirteen million, four hundred thirty-one thousand, three hundred twenty".