120320664 has 32 divisors (see below), whose sum is σ = 301086720. Its totient is φ = 40068896.

The previous prime is 120320657. The next prime is 120320687. The reversal of 120320664 is 466023021.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 36409 + ... + 39575.

It is an arithmetic number, because the mean of its divisors is an integer number (9408960).

Almost surely, 2^120320664 is an apocalyptic number.

It is an amenable number.

120320664 is an abundant number, since it is smaller than the sum of its proper divisors (180766056).

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

120320664 is a wasteful number, since it uses less digits than its factorization.

120320664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 120320664 is about 10969.0776275856. The cubic root of 120320664 is about 493.6813715649.

120320664 divided by its sum of digits (24) gives a triangular number (5013361 = T₃₁₆₆).

Adding to 120320664 its reverse (466023021), we get a palindrome (586343685).

The spelling of 120320664 in words is "one hundred twenty million, three hundred twenty thousand, six hundred sixty-four".