22331121320 has 32 divisors (see below), whose sum is σ = 50292385920. Its totient is φ = 8924028480.

The previous prime is 22331121301. The next prime is 22331121353. The reversal of 22331121320 is 2312113322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22331121292 and 22331121301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220076 + ... + 305115.

It is an arithmetic number, because the mean of its divisors is an integer number (1571637060).

Almost surely, 2^22331121320 is an apocalyptic number.

22331121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331121320 is an abundant number, since it is smaller than the sum of its proper divisors (27961264600).

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

22331121320 is a wasteful number, since it uses less digits than its factorization.

22331121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526265 (or 526261 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22331121320 its reverse (2312113322), we get a palindrome (24643234642).

The spelling of 22331121320 in words is "twenty-two billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty".