20132331112 has 32 divisors (see below), whose sum is σ = 40132558080. Its totient is φ = 9446831680.

The previous prime is 20132331071. The next prime is 20132331151. The reversal of 20132331112 is 21113323102.

It is a self number, because there is not a number n which added to its sum of digits gives 20132331112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022464 + ... + 1041967.

It is an arithmetic number, because the mean of its divisors is an integer number (1254142440).

Almost surely, 2^20132331112 is an apocalyptic number.

It is an amenable number.

20132331112 is a deficient number, since it is larger than the sum of its proper divisors (20000226968).

20132331112 is a wasteful number, since it uses less digits than its factorization.

20132331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064513 (or 2064509 counting only the distinct ones).

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

Adding to 20132331112 its reverse (21113323102), we get a palindrome (41245654214).

The spelling of 20132331112 in words is "twenty billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred twelve".