320122203220 has 12 divisors (see below), whose sum is σ = 672256626804. Its totient is φ = 128048881280.

The previous prime is 320122203139. The next prime is 320122203251. The reversal of 320122203220 is 22302221023.

It can be written as a sum of positive squares in 2 ways, for example, as 208825236676 + 111296966544 = 456974^2 + 333612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003055061 + ... + 8003055100.

It is an arithmetic number, because the mean of its divisors is an integer number (56021385567).

Almost surely, 2^320122203220 is an apocalyptic number.

It is an amenable number.

320122203220 is an abundant number, since it is smaller than the sum of its proper divisors (352134423584).

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

320122203220 is a wasteful number, since it uses less digits than its factorization.

320122203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16006110170 (or 16006110168 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 320122203220 its reverse (22302221023), we get a palindrome (342424424243).

The spelling of 320122203220 in words is "three hundred twenty billion, one hundred twenty-two million, two hundred three thousand, two hundred twenty".