20797792268 has 12 divisors (see below), whose sum is σ = 39704876232. Its totient is φ = 9453541920.

The previous prime is 20797792243. The next prime is 20797792273. The reversal of 20797792268 is 86229779702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236338505 + ... + 236338592.

It is an arithmetic number, because the mean of its divisors is an integer number (3308739686).

Almost surely, 2^20797792268 is an apocalyptic number.

It is an amenable number.

20797792268 is a deficient number, since it is larger than the sum of its proper divisors (18907083964).

20797792268 is a wasteful number, since it uses less digits than its factorization.

20797792268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472677112 (or 472677110 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 20797792268 in words is "twenty billion, seven hundred ninety-seven million, seven hundred ninety-two thousand, two hundred sixty-eight".