320332245 has 8 divisors (see below), whose sum is σ = 512531616. Its totient is φ = 170843856.

The previous prime is 320332237. The next prime is 320332297. The reversal of 320332245 is 542233023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320332245 - 2³ = 320332237 is a prime.

It is a super-2 number, since 2×320332245² = 205225494373480050, which contains 22 as substring.

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, 10677727 + ... + 10677756.

It is an arithmetic number, because the mean of its divisors is an integer number (64066452).

Almost surely, 2^320332245 is an apocalyptic number.

It is an amenable number.

320332245 is a deficient number, since it is larger than the sum of its proper divisors (192199371).

320332245 is a wasteful number, since it uses less digits than its factorization.

320332245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21355491.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 320332245 is about 17897.8279408424. The cubic root of 320332245 is about 684.2270180241.

Adding to 320332245 its reverse (542233023), we get a palindrome (862565268).

The spelling of 320332245 in words is "three hundred twenty million, three hundred thirty-two thousand, two hundred forty-five".