20112330120 has 64 divisors (see below), whose sum is σ = 60364768320. Its totient is φ = 5360818944.

The previous prime is 20112330113. The next prime is 20112330137. The reversal of 20112330120 is 2103321102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20112330120.

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 15 ways as a sum of consecutive naturals, for example, 230979 + ... + 305901.

It is an arithmetic number, because the mean of its divisors is an integer number (943199505).

Almost surely, 2^20112330120 is an apocalyptic number.

20112330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112330120 is an abundant number, since it is smaller than the sum of its proper divisors (40252438200).

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

20112330120 is a wasteful number, since it uses less digits than its factorization.

20112330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77174 (or 77170 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20112330120 its reverse (2103321102), we get a palindrome (22215651222).

The spelling of 20112330120 in words is "twenty billion, one hundred twelve million, three hundred thirty thousand, one hundred twenty".