320162022132421 has 48 divisors (see below), whose sum is σ = 377625436038144. Its totient is φ = 271424175289344.

The previous prime is 320162022132397. The next prime is 320162022132457. The reversal of 320162022132421 is 124231220261023.

It is a happy number.

It is not a de Polignac number, because 320162022132421 - 2¹⁹ = 320162021608133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320162022132521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560883660 + ... + 561454186.

It is an arithmetic number, because the mean of its divisors is an integer number (7867196584128).

Almost surely, 2^{320162022132421} is an apocalyptic number.

It is an amenable number.

320162022132421 is a deficient number, since it is larger than the sum of its proper divisors (57463413905723).

320162022132421 is an frugal number, since it uses more digits than its factorization.

320162022132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570928 (or 570900 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 320162022132421 its reverse (124231220261023), we get a palindrome (444393242393444).

The spelling of 320162022132421 in words is "three hundred twenty trillion, one hundred sixty-two billion, twenty-two million, one hundred thirty-two thousand, four hundred twenty-one".