320303052 has 48 divisors (see below), whose sum is σ = 879268320. Its totient is φ = 100486656.

The previous prime is 320303047. The next prime is 320303063. The reversal of 320303052 is 250303023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85393 + ... + 89064.

It is an arithmetic number, because the mean of its divisors is an integer number (18318090).

Almost surely, 2^320303052 is an apocalyptic number.

It is an amenable number.

320303052 is an abundant number, since it is smaller than the sum of its proper divisors (558965268).

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

320303052 is a wasteful number, since it uses less digits than its factorization.

320303052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174487 (or 174479 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 320303052 is about 17897.0123763716. The cubic root of 320303052 is about 684.2062320573.

Adding to 320303052 its reverse (250303023), we get a palindrome (570606075).

The spelling of 320303052 in words is "three hundred twenty million, three hundred three thousand, fifty-two".