20658948837796 has 12 divisors (see below), whose sum is σ = 36165877039152. Its totient is φ = 10325841112328.

The previous prime is 20658948837749. The next prime is 20658948837833. The reversal of 20658948837796 is 69773884985602.

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, 908313850 + ... + 908336593.

It is an arithmetic number, because the mean of its divisors is an integer number (3013823086596).

Almost surely, 2^{20658948837796} is an apocalyptic number.

It is an amenable number.

20658948837796 is a deficient number, since it is larger than the sum of its proper divisors (15506928201356).

20658948837796 is a wasteful number, since it uses less digits than its factorization.

20658948837796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816653290 (or 1816653288 counting only the distinct ones).

The product of its (nonzero) digits is 8778792960, while the sum is 82.

The spelling of 20658948837796 in words is "twenty trillion, six hundred fifty-eight billion, nine hundred forty-eight million, eight hundred thirty-seven thousand, seven hundred ninety-six".