22120331304 has 32 divisors (see below), whose sum is σ = 56795447520. Its totient is φ = 7174161216.

The previous prime is 22120331293. The next prime is 22120331339. The reversal of 22120331304 is 40313302122.

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, 12454254 + ... + 12456029.

It is an arithmetic number, because the mean of its divisors is an integer number (1774857735).

Almost surely, 2^22120331304 is an apocalyptic number.

22120331304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22120331304 is an abundant number, since it is smaller than the sum of its proper divisors (34675116216).

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

22120331304 is a wasteful number, since it uses less digits than its factorization.

22120331304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24910329 (or 24910325 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22120331304 its reverse (40313302122), we get a palindrome (62433633426).

The spelling of 22120331304 in words is "twenty-two billion, one hundred twenty million, three hundred thirty-one thousand, three hundred four".