320401202401 has 48 divisors (see below), whose sum is σ = 417562464960. Its totient is φ = 243599892480.

The previous prime is 320401202383. The next prime is 320401202413. The reversal of 320401202401 is 104202104023.

It is not a de Polignac number, because 320401202401 - 2⁹ = 320401201889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (320401202431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3002166 + ... + 3107056.

It is an arithmetic number, because the mean of its divisors is an integer number (8699218020).

Almost surely, 2^320401202401 is an apocalyptic number.

It is an amenable number.

320401202401 is a deficient number, since it is larger than the sum of its proper divisors (97161262559).

320401202401 is a wasteful number, since it uses less digits than its factorization.

320401202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105134 (or 105127 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 320401202401 its reverse (104202104023), we get a palindrome (424603306424).

The spelling of 320401202401 in words is "three hundred twenty billion, four hundred one million, two hundred two thousand, four hundred one".