120549239420 has 24 divisors (see below), whose sum is σ = 253962212784. Its totient is φ = 48065636736.

The previous prime is 120549239399. The next prime is 120549239431. The reversal of 120549239420 is 24932945021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9622274 + ... + 9634793.

It is an arithmetic number, because the mean of its divisors is an integer number (10581758866).

Almost surely, 2^120549239420 is an apocalyptic number.

120549239420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120549239420 is an abundant number, since it is smaller than the sum of its proper divisors (133412973364).

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

120549239420 is a wasteful number, since it uses less digits than its factorization.

120549239420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19257389 (or 19257387 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 120549239420 in words is "one hundred twenty billion, five hundred forty-nine million, two hundred thirty-nine thousand, four hundred twenty".