20310023122000 has 80 divisors (see below), whose sum is σ = 49251163920192. Its totient is φ = 8100596841600.

The previous prime is 20310023121989. The next prime is 20310023122027. The reversal of 20310023122000 is 22132001302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13938582 + ... + 15326581.

Almost surely, 2^{20310023122000} is an apocalyptic number.

20310023122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310023122000 is an abundant number, since it is smaller than the sum of its proper divisors (28941140798192).

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

20310023122000 is a wasteful number, since it uses less digits than its factorization.

20310023122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29265533 (or 29265517 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20310023122000 its reverse (22132001302), we get a palindrome (20332155123302).

The spelling of 20310023122000 in words is "twenty trillion, three hundred ten billion, twenty-three million, one hundred twenty-two thousand".