320104120005 has 96 divisors (see below), whose sum is σ = 599053658112. Its totient is φ = 157659955200.

The previous prime is 320104120003. The next prime is 320104120009. The reversal of 320104120005 is 500021401023.

320104120005 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 320104120005 - 2¹ = 320104120003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320104120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320104120003) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13881285 + ... + 13904325.

It is an arithmetic number, because the mean of its divisors is an integer number (6240142272).

Almost surely, 2^320104120005 is an apocalyptic number.

It is an amenable number.

320104120005 is a deficient number, since it is larger than the sum of its proper divisors (278949538107).

320104120005 is a wasteful number, since it uses less digits than its factorization.

320104120005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23539 (or 23536 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 320104120005 its reverse (500021401023), we get a palindrome (820125521028).

The spelling of 320104120005 in words is "three hundred twenty billion, one hundred four million, one hundred twenty thousand, five".