20712966080 has 28 divisors (see below), whose sum is σ = 49322751240. Its totient is φ = 8285186304.

The previous prime is 20712966023. The next prime is 20712966083. The reversal of 20712966080 is 8066921702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20712966083) 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, 32363690 + ... + 32364329.

It is an arithmetic number, because the mean of its divisors is an integer number (1761526830).

Almost surely, 2^20712966080 is an apocalyptic number.

20712966080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20712966080 is an abundant number, since it is smaller than the sum of its proper divisors (28609785160).

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

20712966080 is an equidigital number, since it uses as much as digits as its factorization.

20712966080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64728036 (or 64728026 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 20712966080 in words is "twenty billion, seven hundred twelve million, nine hundred sixty-six thousand, eighty".