20003012321124 has 96 divisors (see below), whose sum is σ = 55181946758400. Its totient is φ = 5517950054400.

The previous prime is 20003012321023. The next prime is 20003012321161. The reversal of 20003012321124 is 42112321030002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20003012321124.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201185824 + ... + 201285224.

It is an arithmetic number, because the mean of its divisors is an integer number (574811945400).

Almost surely, 2^{20003012321124} is an apocalyptic number.

It is an amenable number.

20003012321124 is an abundant number, since it is smaller than the sum of its proper divisors (35178934437276).

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

20003012321124 is a wasteful number, since it uses less digits than its factorization.

20003012321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182053 (or 182051 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20003012321124 its reverse (42112321030002), we get a palindrome (62115333351126).

The spelling of 20003012321124 in words is "twenty trillion, three billion, twelve million, three hundred twenty-one thousand, one hundred twenty-four".