20330131002112 has 36 divisors (see below), whose sum is σ = 42716681515480. Its totient is φ = 9630062051328.

The previous prime is 20330131002101. The next prime is 20330131002119. The reversal of 20330131002112 is 21120013103302.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20330131002112.

It is not an unprimeable number, because it can be changed into a prime (20330131002119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089852353 + ... + 2089862080.

Almost surely, 2^{20330131002112} is an apocalyptic number.

It is an amenable number.

20330131002112 is an abundant number, since it is smaller than the sum of its proper divisors (22386550513368).

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

20330131002112 is an equidigital number, since it uses as much as digits as its factorization.

20330131002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179714468 (or 4179714454 counting only the distinct ones).

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

Adding to 20330131002112 its reverse (21120013103302), we get a palindrome (41450144105414).

The spelling of 20330131002112 in words is "twenty trillion, three hundred thirty billion, one hundred thirty-one million, two thousand, one hundred twelve".