20331113021312 has 64 divisors (see below), whose sum is σ = 40543680295440. Its totient is φ = 10155447459840.

The previous prime is 20331113021279. The next prime is 20331113021321. The reversal of 20331113021312 is 21312031113302.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 1289955512 + ... + 1289971272.

Almost surely, 2^{20331113021312} is an apocalyptic number.

It is an amenable number.

20331113021312 is a deficient number, since it is larger than the sum of its proper divisors (20212567274128).

20331113021312 is a wasteful number, since it uses less digits than its factorization.

20331113021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25159 (or 25147 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20331113021312 its reverse (21312031113302), we get a palindrome (41643144134614).

The spelling of 20331113021312 in words is "twenty trillion, three hundred thirty-one billion, one hundred thirteen million, twenty-one thousand, three hundred twelve".