20710573992 has 64 divisors (see below), whose sum is σ = 59385177600. Its totient is φ = 6680828160.

The previous prime is 20710573979. The next prime is 20710573999. The reversal of 20710573992 is 29937501702.

20710573992 is a `hidden beast` number, since 2 + 0 + 71 + 0 + 573 + 9 + 9 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (20710573999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539793 + ... + 1553184.

It is an arithmetic number, because the mean of its divisors is an integer number (927893400).

Almost surely, 2^20710573992 is an apocalyptic number.

It is an amenable number.

20710573992 is an abundant number, since it is smaller than the sum of its proper divisors (38674603608).

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

20710573992 is a wasteful number, since it uses less digits than its factorization.

20710573992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093023 (or 3093013 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 20710573992 in words is "twenty billion, seven hundred ten million, five hundred seventy-three thousand, nine hundred ninety-two".