20716462812 has 24 divisors (see below), whose sum is σ = 50882540800. Its totient is φ = 6542040816.

The previous prime is 20716462799. The next prime is 20716462847. The reversal of 20716462812 is 21826461702.

It is a congruent 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, 45430612 + ... + 45431067.

Almost surely, 2^20716462812 is an apocalyptic number.

It is an amenable number.

20716462812 is an abundant number, since it is smaller than the sum of its proper divisors (30166077988).

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

20716462812 is a wasteful number, since it uses less digits than its factorization.

20716462812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90861705 (or 90861703 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 20716462812 in words is "twenty billion, seven hundred sixteen million, four hundred sixty-two thousand, eight hundred twelve".