20723896332 has 36 divisors (see below), whose sum is σ = 54325607336. Its totient is φ = 6907965120.

The previous prime is 20723896327. The next prime is 20723896351. The reversal of 20723896332 is 23369832702.

20723896332 is a `hidden beast` number, since 2 + 0 + 7 + 2 + 3 + 8 + 9 + 633 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10659469 + ... + 10661412.

Almost surely, 2^20723896332 is an apocalyptic number.

It is an amenable number.

20723896332 is an abundant number, since it is smaller than the sum of its proper divisors (33601711004).

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

20723896332 is a wasteful number, since it uses less digits than its factorization.

20723896332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21320900 (or 21320886 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 20723896332 in words is "twenty billion, seven hundred twenty-three million, eight hundred ninety-six thousand, three hundred thirty-two".