20112313132 has 24 divisors (see below), whose sum is σ = 35973858816. Its totient is φ = 9834406608.

The previous prime is 20112313093. The next prime is 20112313139. The reversal of 20112313132 is 23131321102.

It is not an unprimeable number, because it can be changed into a prime (20112313139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199513 + ... + 282895.

It is an arithmetic number, because the mean of its divisors is an integer number (1498910784).

Almost surely, 2^20112313132 is an apocalyptic number.

It is an amenable number.

20112313132 is a deficient number, since it is larger than the sum of its proper divisors (15861545684).

20112313132 is a wasteful number, since it uses less digits than its factorization.

20112313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84717 (or 84715 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20112313132 its reverse (23131321102), we get a palindrome (43243634234).

The spelling of 20112313132 in words is "twenty billion, one hundred twelve million, three hundred thirteen thousand, one hundred thirty-two".