320221253104 has 40 divisors (see below), whose sum is σ = 648439590960. Its totient is φ = 152995842048.

The previous prime is 320221253069. The next prime is 320221253113. The reversal of 320221253104 is 401352122023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3512374 + ... + 3602389.

It is an arithmetic number, because the mean of its divisors is an integer number (16210989774).

Almost surely, 2^320221253104 is an apocalyptic number.

It is an amenable number.

320221253104 is an abundant number, since it is smaller than the sum of its proper divisors (328218337856).

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

320221253104 is a wasteful number, since it uses less digits than its factorization.

320221253104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114897 (or 7114891 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 320221253104 its reverse (401352122023), we get a palindrome (721573375127).

The spelling of 320221253104 in words is "three hundred twenty billion, two hundred twenty-one million, two hundred fifty-three thousand, one hundred four".