320120211401 has 16 divisors (see below), whose sum is σ = 342461817600. Its totient is φ = 298340201808.

The previous prime is 320120211349. The next prime is 320120211409. The reversal of 320120211401 is 104112021023.

It is a cyclic number.

It is not a de Polignac number, because 320120211401 - 2³⁴ = 302940342217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320120211401.

It is not an unprimeable number, because it can be changed into a prime (320120211409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770606 + ... + 1110888.

It is an arithmetic number, because the mean of its divisors is an integer number (21403863600).

Almost surely, 2^320120211401 is an apocalyptic number.

It is an amenable number.

320120211401 is a deficient number, since it is larger than the sum of its proper divisors (22341606199).

320120211401 is a wasteful number, since it uses less digits than its factorization.

320120211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341108.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 320120211401 its reverse (104112021023), we get a palindrome (424232232424).

The spelling of 320120211401 in words is "three hundred twenty billion, one hundred twenty million, two hundred eleven thousand, four hundred one".