320104352001 has 32 divisors (see below), whose sum is σ = 501066574848. Its totient is φ = 177935659200.

The previous prime is 320104351993. The next prime is 320104352027. The reversal of 320104352001 is 100253401023.

It is not a de Polignac number, because 320104352001 - 2³ = 320104351993 is a prime.

It is a super-2 number, since 2×320104352001² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (320104352201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3883846 + ... + 3965408.

It is an arithmetic number, because the mean of its divisors is an integer number (15658330464).

Almost surely, 2^320104352001 is an apocalyptic number.

It is an amenable number.

320104352001 is a deficient number, since it is larger than the sum of its proper divisors (180962222847).

320104352001 is a wasteful number, since it uses less digits than its factorization.

320104352001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86661.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 320104352001 its reverse (100253401023), we get a palindrome (420357753024).

The spelling of 320104352001 in words is "three hundred twenty billion, one hundred four million, three hundred fifty-two thousand, one".