20923772300 has 18 divisors (see below), whose sum is σ = 45404586108. Its totient is φ = 8369508880.

The previous prime is 20923772299. The next prime is 20923772333. The reversal of 20923772300 is 327732902.

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, 104618762 + ... + 104618961.

It is an arithmetic number, because the mean of its divisors is an integer number (2522477006).

Almost surely, 2^20923772300 is an apocalyptic number.

20923772300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20923772300 is an abundant number, since it is smaller than the sum of its proper divisors (24480813808).

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

20923772300 is a wasteful number, since it uses less digits than its factorization.

20923772300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209237737 (or 209237730 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 35.

The spelling of 20923772300 in words is "twenty billion, nine hundred twenty-three million, seven hundred seventy-two thousand, three hundred".