20323202312 has 16 divisors (see below), whose sum is σ = 43549719360. Its totient is φ = 8709943824.

The previous prime is 20323202299. The next prime is 20323202329. The reversal of 20323202312 is 21320232302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181457108 + ... + 181457219.

It is an arithmetic number, because the mean of its divisors is an integer number (2721857460).

Almost surely, 2^20323202312 is an apocalyptic number.

It is an amenable number.

20323202312 is an abundant number, since it is smaller than the sum of its proper divisors (23226517048).

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

20323202312 is a wasteful number, since it uses less digits than its factorization.

20323202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362914340 (or 362914336 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20323202312 its reverse (21320232302), we get a palindrome (41643434614).

The spelling of 20323202312 in words is "twenty billion, three hundred twenty-three million, two hundred two thousand, three hundred twelve".