20032970660 has 24 divisors (see below), whose sum is σ = 43426311936. Its totient is φ = 7754698080.

The previous prime is 20032970621. The next prime is 20032970689. The reversal of 20032970660 is 6607923002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20032970660.

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, 16155002 + ... + 16156241.

It is an arithmetic number, because the mean of its divisors is an integer number (1809429664).

Almost surely, 2^20032970660 is an apocalyptic number.

20032970660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20032970660 is an abundant number, since it is smaller than the sum of its proper divisors (23393341276).

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

20032970660 is a wasteful number, since it uses less digits than its factorization.

20032970660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32311283 (or 32311281 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 20032970660 in words is "twenty billion, thirty-two million, nine hundred seventy thousand, six hundred sixty".