20923770676 has 12 divisors (see below), whose sum is σ = 36663131008. Its totient is φ = 10448590392.

The previous prime is 20923770671. The next prime is 20923770701. The reversal of 20923770676 is 67607732902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20923770671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320196 + ... + 3326491.

Almost surely, 2^20923770676 is an apocalyptic number.

It is an amenable number.

20923770676 is a deficient number, since it is larger than the sum of its proper divisors (15739360332).

20923770676 is a wasteful number, since it uses less digits than its factorization.

20923770676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647478 (or 6647476 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 20923770676 in words is "twenty billion, nine hundred twenty-three million, seven hundred seventy thousand, six hundred seventy-six".