20323012112 has 40 divisors (see below), whose sum is σ = 42413498904. Its totient is φ = 9377915904.

The previous prime is 20323012103. The next prime is 20323012141. The reversal of 20323012112 is 21121032302.

It can be written as a sum of positive squares in 4 ways, for example, as 488233216 + 19834778896 = 22096^2 + 140836^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677308 + ... + 1689380.

Almost surely, 2^20323012112 is an apocalyptic number.

It is an amenable number.

20323012112 is an abundant number, since it is smaller than the sum of its proper divisors (22090486792).

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

20323012112 is a wasteful number, since it uses less digits than its factorization.

20323012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20187 (or 20181 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20323012112 its reverse (21121032302), we get a palindrome (41444044414).

The spelling of 20323012112 in words is "twenty billion, three hundred twenty-three million, twelve thousand, one hundred twelve".