20312010112 has 16 divisors (see below), whose sum is σ = 40465332900. Its totient is φ = 10156004992.

The previous prime is 20312010083. The next prime is 20312010119. The reversal of 20312010112 is 21101021302.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 20312010092 and 20312010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312010119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79343662 + ... + 79343917.

Almost surely, 2^20312010112 is an apocalyptic number.

It is an amenable number.

20312010112 is a deficient number, since it is larger than the sum of its proper divisors (20153322788).

20312010112 is an equidigital number, since it uses as much as digits as its factorization.

20312010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158687593 (or 158687581 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20312010112 its reverse (21101021302), we get a palindrome (41413031414).

The spelling of 20312010112 in words is "twenty billion, three hundred twelve million, ten thousand, one hundred twelve".