20323032312 has 64 divisors (see below), whose sum is σ = 55658534400. Its totient is φ = 6132707840.

The previous prime is 20323032299. The next prime is 20323032341. The reversal of 20323032312 is 21323032302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97953 + ... + 224144.

It is an arithmetic number, because the mean of its divisors is an integer number (869664600).

Almost surely, 2^20323032312 is an apocalyptic number.

20323032312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20323032312 is an abundant number, since it is smaller than the sum of its proper divisors (35335502088).

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

20323032312 is a wasteful number, since it uses less digits than its factorization.

20323032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322356 (or 322352 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20323032312 its reverse (21323032302), we get a palindrome (41646064614).

The spelling of 20323032312 in words is "twenty billion, three hundred twenty-three million, thirty-two thousand, three hundred twelve".