320301342320 has 20 divisors (see below), whose sum is σ = 744700621080. Its totient is φ = 128120536896.

The previous prime is 320301342313. The next prime is 320301342359. The reversal of 320301342320 is 23243103023.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001883310 + ... + 2001883469.

It is an arithmetic number, because the mean of its divisors is an integer number (37235031054).

Almost surely, 2^320301342320 is an apocalyptic number.

It is an amenable number.

320301342320 is an abundant number, since it is smaller than the sum of its proper divisors (424399278760).

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

320301342320 is a wasteful number, since it uses less digits than its factorization.

320301342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003766792 (or 4003766786 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 320301342320 its reverse (23243103023), we get a palindrome (343544445343).

The spelling of 320301342320 in words is "three hundred twenty billion, three hundred one million, three hundred forty-two thousand, three hundred twenty".