120020311120 has 80 divisors (see below), whose sum is σ = 293800392000. Its totient is φ = 45471089664.

The previous prime is 120020311051. The next prime is 120020311133. The reversal of 120020311120 is 21113020021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 120020311120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12168751 + ... + 12178609.

It is an arithmetic number, because the mean of its divisors is an integer number (3672504900).

Almost surely, 2^120020311120 is an apocalyptic number.

120020311120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020311120 is an abundant number, since it is smaller than the sum of its proper divisors (173780080880).

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

120020311120 is a wasteful number, since it uses less digits than its factorization.

120020311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17900 (or 17894 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120020311120 its reverse (21113020021), we get a palindrome (141133331141).

The spelling of 120020311120 in words is "one hundred twenty billion, twenty million, three hundred eleven thousand, one hundred twenty".