20793307320 has 96 divisors (see below), whose sum is σ = 70516461600. Its totient is φ = 5303798016.

The previous prime is 20793307289. The next prime is 20793307349. The reversal of 20793307320 is 2370339702.

20793307320 is a `hidden beast` number, since 20 + 7 + 9 + 3 + 307 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1247355 + ... + 1263914.

It is an arithmetic number, because the mean of its divisors is an integer number (734546475).

Almost surely, 2^20793307320 is an apocalyptic number.

20793307320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20793307320 is an abundant number, since it is smaller than the sum of its proper divisors (49723154280).

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

20793307320 is a wasteful number, since it uses less digits than its factorization.

20793307320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511309 (or 2511302 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 36.

The spelling of 20793307320 in words is "twenty billion, seven hundred ninety-three million, three hundred seven thousand, three hundred twenty".