320333252 has 12 divisors (see below), whose sum is σ = 564863376. Its totient is φ = 158943720.

The previous prime is 320333207. The next prime is 320333269. The reversal of 320333252 is 252333023.

It is a super-2 number, since 2×320333252² = 205226784673791008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 305138 + ... + 306185.

It is an arithmetic number, because the mean of its divisors is an integer number (47071948).

Almost surely, 2^320333252 is an apocalyptic number.

It is an amenable number.

320333252 is a deficient number, since it is larger than the sum of its proper divisors (244530124).

320333252 is a wasteful number, since it uses less digits than its factorization.

320333252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611458 (or 611456 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 320333252 is about 17897.8560727256. The cubic root of 320333252 is about 684.2277350045.

Adding to 320333252 its reverse (252333023), we get a palindrome (572666275).

The spelling of 320333252 in words is "three hundred twenty million, three hundred thirty-three thousand, two hundred fifty-two".