320225120 has 24 divisors (see below), whose sum is σ = 756532224. Its totient is φ = 128089984.

The previous prime is 320225117. The next prime is 320225131. The reversal of 320225120 is 21522023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000544 + ... + 1000863.

It is an arithmetic number, because the mean of its divisors is an integer number (31522176).

Almost surely, 2^320225120 is an apocalyptic number.

It is an amenable number.

320225120 is an abundant number, since it is smaller than the sum of its proper divisors (436307104).

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

320225120 is a wasteful number, since it uses less digits than its factorization.

320225120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001422 (or 2001414 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 320225120 is about 17894.8350090187. The cubic root of 320225120 is about 684.1507368164.

Adding to 320225120 its reverse (21522023), we get a palindrome (341747143).

The spelling of 320225120 in words is "three hundred twenty million, two hundred twenty-five thousand, one hundred twenty".