20013312324 has 24 divisors (see below), whose sum is σ = 47783723680. Its totient is φ = 6515961984.

The previous prime is 20013312311. The next prime is 20013312343. The reversal of 20013312324 is 42321331002.

It is a self number, because there is not a number n which added to its sum of digits gives 20013312324.

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, 19392229 + ... + 19393260.

Almost surely, 2^20013312324 is an apocalyptic number.

It is an amenable number.

20013312324 is an abundant number, since it is smaller than the sum of its proper divisors (27770411356).

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

20013312324 is a wasteful number, since it uses less digits than its factorization.

20013312324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38785539 (or 38785537 counting only the distinct ones).

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

Adding to 20013312324 its reverse (42321331002), we get a palindrome (62334643326).

The spelling of 20013312324 in words is "twenty billion, thirteen million, three hundred twelve thousand, three hundred twenty-four".