20477032492 has 12 divisors (see below), whose sum is σ = 40954065040. Its totient is φ = 8775871056.

The previous prime is 20477032483. The next prime is 20477032493. The reversal of 20477032492 is 29423077402.

20477032492 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20477032493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365661267 + ... + 365661322.

Almost surely, 2^20477032492 is an apocalyptic number.

It is an amenable number.

20477032492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20477032492 is a wasteful number, since it uses less digits than its factorization.

20477032492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731322600 (or 731322598 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 20477032492 in words is "twenty billion, four hundred seventy-seven million, thirty-two thousand, four hundred ninety-two".