320204352 has 56 divisors (see below), whose sum is σ = 912384256. Its totient is φ = 98523648.

The previous prime is 320204351. The next prime is 320204369. The reversal of 320204352 is 253402023.

It is not an unprimeable number, because it can be changed into a prime (320204351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61648 + ... + 66639.

It is an arithmetic number, because the mean of its divisors is an integer number (16292576).

Almost surely, 2^320204352 is an apocalyptic number.

320204352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320204352 is an abundant number, since it is smaller than the sum of its proper divisors (592179904).

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

320204352 is a wasteful number, since it uses less digits than its factorization.

320204352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128315 (or 128305 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 320204352 is about 17894.2547204403. The cubic root of 320204352 is about 684.1359464405.

Adding to 320204352 its reverse (253402023), we get a palindrome (573606375).

The spelling of 320204352 in words is "three hundred twenty million, two hundred four thousand, three hundred fifty-two".