320441320 has 32 divisors (see below), whose sum is σ = 726681600. Its totient is φ = 127165248.

The previous prime is 320441309. The next prime is 320441321. The reversal of 320441320 is 23144023.

It is not an unprimeable number, because it can be changed into a prime (320441321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26460 + ... + 36619.

It is an arithmetic number, because the mean of its divisors is an integer number (22708800).

Almost surely, 2^320441320 is an apocalyptic number.

It is an amenable number.

320441320 is an abundant number, since it is smaller than the sum of its proper divisors (406240280).

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

320441320 is a wasteful number, since it uses less digits than its factorization.

320441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63217 (or 63213 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 320441320 is about 17900.8748389569. The cubic root of 320441320 is about 684.3046703094.

Adding to 320441320 its reverse (23144023), we get a palindrome (343585343).

The spelling of 320441320 in words is "three hundred twenty million, four hundred forty-one thousand, three hundred twenty".