320422221200 has 60 divisors (see below), whose sum is σ = 770227630848. Its totient is φ = 128100086400.

The previous prime is 320422221199. The next prime is 320422221263. The reversal of 320422221200 is 2122224023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534329 + ... + 962471.

Almost surely, 2^320422221200 is an apocalyptic number.

It is an amenable number.

320422221200 is an abundant number, since it is smaller than the sum of its proper divisors (449805409648).

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

320422221200 is a wasteful number, since it uses less digits than its factorization.

320422221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430032 (or 430021 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 320422221200 its reverse (2122224023), we get a palindrome (322544445223).

The spelling of 320422221200 in words is "three hundred twenty billion, four hundred twenty-two million, two hundred twenty-one thousand, two hundred".