320303033113220 has 48 divisors (see below), whose sum is σ = 708042516988800. Its totient is φ = 121377265793280.

The previous prime is 320303033113199. The next prime is 320303033113241. The reversal of 320303033113220 is 22311330303023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320303033113199) and next prime (320303033113241).

It is a self number, because there is not a number n which added to its sum of digits gives 320303033113220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63386225 + ... + 68252615.

It is an arithmetic number, because the mean of its divisors is an integer number (14750885770600).

Almost surely, 2^{320303033113220} is an apocalyptic number.

It is an amenable number.

320303033113220 is an abundant number, since it is smaller than the sum of its proper divisors (387739483875580).

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

320303033113220 is a wasteful number, since it uses less digits than its factorization.

320303033113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039628 (or 5039626 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 320303033113220 its reverse (22311330303023), we get a palindrome (342614363416243).

The spelling of 320303033113220 in words is "three hundred twenty trillion, three hundred three billion, thirty-three million, one hundred thirteen thousand, two hundred twenty".