20379560994 has 48 divisors (see below), whose sum is σ = 47585184192. Its totient is φ = 6266299104.

The previous prime is 20379560977. The next prime is 20379561017. The reversal of 20379560994 is 49906597302.

20379560994 is a `hidden beast` number, since 2 + 0 + 3 + 79 + 560 + 9 + 9 + 4 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20379560994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317659 + ... + 376385.

It is an arithmetic number, because the mean of its divisors is an integer number (991358004).

Almost surely, 2^20379560994 is an apocalyptic number.

20379560994 is an abundant number, since it is smaller than the sum of its proper divisors (27205623198).

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

20379560994 is a wasteful number, since it uses less digits than its factorization.

20379560994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60231 (or 60228 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 20379560994 in words is "twenty billion, three hundred seventy-nine million, five hundred sixty thousand, nine hundred ninety-four".