20667274084 has 24 divisors (see below), whose sum is σ = 36452278016. Its totient is φ = 10252656000.

The previous prime is 20667274049. The next prime is 20667274093. The reversal of 20667274084 is 48047276602.

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, 221689 + ... + 300799.

Almost surely, 2^20667274084 is an apocalyptic number.

It is an amenable number.

20667274084 is a deficient number, since it is larger than the sum of its proper divisors (15785003932).

20667274084 is a wasteful number, since it uses less digits than its factorization.

20667274084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79627 (or 79625 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 20667274084 in words is "twenty billion, six hundred sixty-seven million, two hundred seventy-four thousand, eighty-four".