20331311013112 has 32 divisors (see below), whose sum is σ = 41668475511600. Its totient is φ = 9223348787200.

The previous prime is 20331311013109. The next prime is 20331311013119. The reversal of 20331311013112 is 21131011313302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331311013119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226907689 + ... + 226997272.

Almost surely, 2^{20331311013112} is an apocalyptic number.

20331311013112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20331311013112 is an abundant number, since it is smaller than the sum of its proper divisors (21337164498488).

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

20331311013112 is a wasteful number, since it uses less digits than its factorization.

20331311013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453905487 (or 453905483 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20331311013112 its reverse (21131011313302), we get a palindrome (41462322326414).

The spelling of 20331311013112 in words is "twenty trillion, three hundred thirty-one billion, three hundred eleven million, thirteen thousand, one hundred twelve".