320313042220 has 48 divisors (see below), whose sum is σ = 716762057760. Its totient is φ = 119820340224.

The previous prime is 320313042199. The next prime is 320313042239. The reversal of 320313042220 is 22240313023.

It is a junction number, because it is equal to n+sod(n) for n = 320313042191 and 320313042200.

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, 2946930 + ... + 3053689.

It is an arithmetic number, because the mean of its divisors is an integer number (14932542870).

Almost surely, 2^320313042220 is an apocalyptic number.

It is an amenable number.

320313042220 is an abundant number, since it is smaller than the sum of its proper divisors (396449015540).

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

320313042220 is a wasteful number, since it uses less digits than its factorization.

320313042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000802 (or 6000800 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 320313042220 its reverse (22240313023), we get a palindrome (342553355243).

The spelling of 320313042220 in words is "three hundred twenty billion, three hundred thirteen million, forty-two thousand, two hundred twenty".