320220330332 has 24 divisors (see below), whose sum is σ = 650939691360. Its totient is φ = 134987492160.

The previous prime is 320220330317. The next prime is 320220330341. The reversal of 320220330332 is 233033022023.

It is a junction number, because it is equal to n+sod(n) for n = 320220330298 and 320220330307.

It is a congruent number.

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, 93739607 + ... + 93743022.

It is an arithmetic number, because the mean of its divisors is an integer number (27122487140).

Almost surely, 2^320220330332 is an apocalyptic number.

It is an amenable number.

320220330332 is an abundant number, since it is smaller than the sum of its proper divisors (330719361028).

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

320220330332 is a wasteful number, since it uses less digits than its factorization.

320220330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187482701 (or 187482699 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 320220330332 its reverse (233033022023), we get a palindrome (553253352355).

The spelling of 320220330332 in words is "three hundred twenty billion, two hundred twenty million, three hundred thirty thousand, three hundred thirty-two".