320220563413420 has 24 divisors (see below), whose sum is σ = 672774364741248. Its totient is φ = 128028952684800.

The previous prime is 320220563413409. The next prime is 320220563413469. The reversal of 320220563413420 is 24314365022023.

It is a self number, because there is not a number n which added to its sum of digits gives 320220563413420.

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, 3704498236 + ... + 3704584675.

It is an arithmetic number, because the mean of its divisors is an integer number (28032265197552).

Almost surely, 2^{320220563413420} is an apocalyptic number.

It is an amenable number.

320220563413420 is an abundant number, since it is smaller than the sum of its proper divisors (352553801327828).

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

320220563413420 is a wasteful number, since it uses less digits than its factorization.

320220563413420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7409085081 (or 7409085079 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 320220563413420 in words is "three hundred twenty trillion, two hundred twenty billion, five hundred sixty-three million, four hundred thirteen thousand, four hundred twenty".