20310213112 has 32 divisors (see below), whose sum is σ = 45414144000. Its totient is φ = 8325925344.

The previous prime is 20310213107. The next prime is 20310213127. The reversal of 20310213112 is 21131201302.

It is a congruent number.

It is an unprimeable number.

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, 7883112 + ... + 7885687.

It is an arithmetic number, because the mean of its divisors is an integer number (1419192000).

Almost surely, 2^20310213112 is an apocalyptic number.

It is an amenable number.

20310213112 is an abundant number, since it is smaller than the sum of its proper divisors (25103930888).

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

20310213112 is a wasteful number, since it uses less digits than its factorization.

20310213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768835 (or 15768831 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20310213112 its reverse (21131201302), we get a palindrome (41441414414).

The spelling of 20310213112 in words is "twenty billion, three hundred ten million, two hundred thirteen thousand, one hundred twelve".