320312202213320 has 32 divisors (see below), whose sum is σ = 720704971163520. Its totient is φ = 128124433563840.

The previous prime is 320312202213319. The next prime is 320312202213337. The reversal of 320312202213320 is 23312202213023.

It is a self number, because there is not a number n which added to its sum of digits gives 320312202213320.

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, 2257166 + ... + 25411005.

It is an arithmetic number, because the mean of its divisors is an integer number (22522030348860).

Almost surely, 2^{320312202213320} is an apocalyptic number.

It is an amenable number.

320312202213320 is an abundant number, since it is smaller than the sum of its proper divisors (400392768950200).

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

320312202213320 is a wasteful number, since it uses less digits than its factorization.

320312202213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27957605 (or 27957601 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 320312202213320 its reverse (23312202213023), we get a palindrome (343624404426343).

The spelling of 320312202213320 in words is "three hundred twenty trillion, three hundred twelve billion, two hundred two million, two hundred thirteen thousand, three hundred twenty".