20120056215006 has 32 divisors (see below), whose sum is σ = 44324501614848. Its totient is φ = 6037792683840.

The previous prime is 20120056214953. The next prime is 20120056215019. The reversal of 20120056215006 is 60051265002102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479844351 + ... + 1479857946.

It is an arithmetic number, because the mean of its divisors is an integer number (1385140675464).

Almost surely, 2^{20120056215006} is an apocalyptic number.

20120056215006 is an abundant number, since it is smaller than the sum of its proper divisors (24204445399842).

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

20120056215006 is a wasteful number, since it uses less digits than its factorization.

20120056215006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959702416.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 20120056215006 in words is "twenty trillion, one hundred twenty billion, fifty-six million, two hundred fifteen thousand, six".