20796197996 has 18 divisors (see below), whose sum is σ = 42335117748. Its totient is φ = 8912656200.

The previous prime is 20796197977. The next prime is 20796198011. The reversal of 20796197996 is 69979169702.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53051330 + ... + 53051721.

It is an arithmetic number, because the mean of its divisors is an integer number (2351950986).

Almost surely, 2^20796197996 is an apocalyptic number.

It is an amenable number.

20796197996 is an abundant number, since it is smaller than the sum of its proper divisors (21538919752).

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

20796197996 is a wasteful number, since it uses less digits than its factorization.

20796197996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106103069 (or 106103060 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 65.

The spelling of 20796197996 in words is "twenty billion, seven hundred ninety-six million, one hundred ninety-seven thousand, nine hundred ninety-six".