120382920 has 384 divisors, whose sum is σ = 488816640. Its totient is φ = 25090560.

The previous prime is 120382909. The next prime is 120382921. The reversal of 120382920 is 29283021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120382921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1796727 + ... + 1796793.

It is an arithmetic number, because the mean of its divisors is an integer number (1272960).

Almost surely, 2^120382920 is an apocalyptic number.

120382920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120382920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244408320).

120382920 is an abundant number, since it is smaller than the sum of its proper divisors (368433720).

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

120382920 is a wasteful number, since it uses less digits than its factorization.

120382920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 120382920 is about 10971.9150561787. The cubic root of 120382920 is about 493.7665033206.

The spelling of 120382920 in words is "one hundred twenty million, three hundred eighty-two thousand, nine hundred twenty".