20112329572992 has 128 divisors (see below), whose sum is σ = 62851030099200. Its totient is φ = 6309750435840.

The previous prime is 20112329572991. The next prime is 20112329573081. The reversal of 20112329572992 is 29927592321102.

20112329572992 is a `hidden beast` number, since 20 + 1 + 1 + 2 + 329 + 5 + 7 + 299 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (20112329572991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171104184 + ... + 171221687.

It is an arithmetic number, because the mean of its divisors is an integer number (491023672650).

Almost surely, 2^{20112329572992} is an apocalyptic number.

It is an amenable number.

20112329572992 is an abundant number, since it is smaller than the sum of its proper divisors (42738700526208).

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

20112329572992 is a wasteful number, since it uses less digits than its factorization.

20112329572992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342325911 (or 342325893 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 20112329572992 in words is "twenty trillion, one hundred twelve billion, three hundred twenty-nine million, five hundred seventy-two thousand, nine hundred ninety-two".