20156080032 has 72 divisors (see below), whose sum is σ = 62529667200. Its totient is φ = 6107902080.

The previous prime is 20156080027. The next prime is 20156080051. The reversal of 20156080032 is 23008065102.

20156080032 is a `hidden beast` number, since 20 + 1 + 5 + 608 + 0 + 0 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×20156080032³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20156079978 and 20156080005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3178032 + ... + 3184367.

It is an arithmetic number, because the mean of its divisors is an integer number (868467600).

Almost surely, 2^20156080032 is an apocalyptic number.

20156080032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20156080032 is an abundant number, since it is smaller than the sum of its proper divisors (42373587168).

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

20156080032 is a wasteful number, since it uses less digits than its factorization.

20156080032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6362426 (or 6362415 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 20156080032 in words is "twenty billion, one hundred fifty-six million, eighty thousand, thirty-two".