20730973260 has 48 divisors (see below), whose sum is σ = 58173818976. Its totient is φ = 5516155392.

The previous prime is 20730973231. The next prime is 20730973271. The reversal of 20730973260 is 6237903702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350607 + ... + 405446.

It is an arithmetic number, because the mean of its divisors is an integer number (1211954562).

Almost surely, 2^20730973260 is an apocalyptic number.

20730973260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20730973260 is an abundant number, since it is smaller than the sum of its proper divisors (37442845716).

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

20730973260 is a wasteful number, since it uses less digits than its factorization.

20730973260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756522 (or 756520 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 39.

The spelling of 20730973260 in words is "twenty billion, seven hundred thirty million, nine hundred seventy-three thousand, two hundred sixty".