20046911994 has 16 divisors (see below), whose sum is σ = 44548693440. Its totient is φ = 6682303980.

The previous prime is 20046911959. The next prime is 20046912047. The reversal of 20046911994 is 49911964002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185619502 + ... + 185619609.

It is an arithmetic number, because the mean of its divisors is an integer number (2784293340).

Almost surely, 2^20046911994 is an apocalyptic number.

20046911994 is an abundant number, since it is smaller than the sum of its proper divisors (24501781446).

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

20046911994 is a wasteful number, since it uses less digits than its factorization.

20046911994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371239122 (or 371239116 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 20046911994 in words is "twenty billion, forty-six million, nine hundred eleven thousand, nine hundred ninety-four".