20315650456116 has 72 divisors (see below), whose sum is σ = 51501411902304. Its totient is φ = 6752388242880.

The previous prime is 20315650456109. The next prime is 20315650456133. The reversal of 20315650456116 is 61165405651302.

20315650456116 is a `hidden beast` number, since 2 + 0 + 3 + 15 + 65 + 0 + 4 + 561 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29777671 + ... + 30452273.

It is an arithmetic number, because the mean of its divisors is an integer number (715297387532).

Almost surely, 2^{20315650456116} is an apocalyptic number.

It is an amenable number.

20315650456116 is an abundant number, since it is smaller than the sum of its proper divisors (31185761446188).

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

20315650456116 is a wasteful number, since it uses less digits than its factorization.

20315650456116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677021 (or 677016 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 20315650456116 in words is "twenty trillion, three hundred fifteen billion, six hundred fifty million, four hundred fifty-six thousand, one hundred sixteen".