320555112 has 64 divisors (see below), whose sum is σ = 812851200. Its totient is φ = 105336000.

The previous prime is 320555107. The next prime is 320555119. The reversal of 320555112 is 211555023.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (320555119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764839 + ... + 765257.

It is an arithmetic number, because the mean of its divisors is an integer number (12700800).

Almost surely, 2^320555112 is an apocalyptic number.

It is an amenable number.

320555112 is an abundant number, since it is smaller than the sum of its proper divisors (492296088).

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

320555112 is a wasteful number, since it uses less digits than its factorization.

320555112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 320555112 is about 17904.0529489834. The cubic root of 320555112 is about 684.3856619260.

The spelling of 320555112 in words is "three hundred twenty million, five hundred fifty-five thousand, one hundred twelve".