320522425421 has 8 divisors (see below), whose sum is σ = 364863472704. Its totient is φ = 278715152320.

The previous prime is 320522425417. The next prime is 320522425477. The reversal of 320522425421 is 124524225023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320522425421 - 2² = 320522425417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320522425021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633443276 + ... + 633443781.

It is an arithmetic number, because the mean of its divisors is an integer number (45607934088).

Almost surely, 2^320522425421 is an apocalyptic number.

It is an amenable number.

320522425421 is a deficient number, since it is larger than the sum of its proper divisors (44341047283).

320522425421 is a wasteful number, since it uses less digits than its factorization.

320522425421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266887091.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 320522425421 in words is "three hundred twenty billion, five hundred twenty-two million, four hundred twenty-five thousand, four hundred twenty-one".