20330112312 has 24 divisors (see below), whose sum is σ = 55060721040. Its totient is φ = 6776704080.

The previous prime is 20330112311. The next prime is 20330112317. The reversal of 20330112312 is 21321103302.

20330112312 is a `hidden beast` number, since 20 + 330 + 1 + 1 + 2 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330112311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141181264 + ... + 141181407.

It is an arithmetic number, because the mean of its divisors is an integer number (2294196710).

Almost surely, 2^20330112312 is an apocalyptic number.

It is an amenable number.

20330112312 is an abundant number, since it is smaller than the sum of its proper divisors (34730608728).

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

20330112312 is a wasteful number, since it uses less digits than its factorization.

20330112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282362683 (or 282362676 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20330112312 its reverse (21321103302), we get a palindrome (41651215614).

The spelling of 20330112312 in words is "twenty billion, three hundred thirty million, one hundred twelve thousand, three hundred twelve".