20012540634210 has 64 divisors (see below), whose sum is σ = 49581110329344. Its totient is φ = 5164354238400.

The previous prime is 20012540634187. The next prime is 20012540634227. The reversal of 20012540634210 is 1243604521002.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 28790655 + ... + 29477565.

It is an arithmetic number, because the mean of its divisors is an integer number (774704848896).

Almost surely, 2^{20012540634210} is an apocalyptic number.

20012540634210 is an abundant number, since it is smaller than the sum of its proper divisors (29568569695134).

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

20012540634210 is a wasteful number, since it uses less digits than its factorization.

20012540634210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718279.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 20012540634210 in words is "twenty trillion, twelve billion, five hundred forty million, six hundred thirty-four thousand, two hundred ten".