320242152 has 32 divisors (see below), whose sum is σ = 826433280. Its totient is φ = 103303680.

The previous prime is 320242129. The next prime is 320242177. The reversal of 320242152 is 251242023.

It is a super-2 number, since 2×320242152² = 205110071835182208, which contains 22 as substring.

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, 214473 + ... + 215960.

It is an arithmetic number, because the mean of its divisors is an integer number (25826040).

Almost surely, 2^320242152 is an apocalyptic number.

It is an amenable number.

320242152 is an abundant number, since it is smaller than the sum of its proper divisors (506191128).

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

320242152 is a wasteful number, since it uses less digits than its factorization.

320242152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430473 (or 430469 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 320242152 is about 17895.3108941980. The cubic root of 320242152 is about 684.1628660426.

Adding to 320242152 its reverse (251242023), we get a palindrome (571484175).

It can be divided in two parts, 3202 and 42152, that added together give a palindrome (45354).

The spelling of 320242152 in words is "three hundred twenty million, two hundred forty-two thousand, one hundred fifty-two".