20312332999 has 16 divisors (see below), whose sum is σ = 24324802560. Its totient is φ = 16583878080.

The previous prime is 20312332993. The next prime is 20312333003. The reversal of 20312332999 is 99923321302.

It is not a de Polignac number, because 20312332999 - 2²⁷ = 20178115271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312332993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225462 + ... + 302419.

It is an arithmetic number, because the mean of its divisors is an integer number (1520300160).

Almost surely, 2^20312332999 is an apocalyptic number.

20312332999 is a deficient number, since it is larger than the sum of its proper divisors (4012469561).

20312332999 is a wasteful number, since it uses less digits than its factorization.

20312332999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528150.

The product of its (nonzero) digits is 157464, while the sum is 43.

The spelling of 20312332999 in words is "twenty billion, three hundred twelve million, three hundred thirty-two thousand, nine hundred ninety-nine".