320004478201 has 2 divisors, whose sum is σ = 320004478202. Its totient is φ = 320004478200.

The previous prime is 320004478121. The next prime is 320004478223. The reversal of 320004478201 is 102874400023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199942228201 + 120062250000 = 447149^2 + 346500^2 .

It is a cyclic number.

It is not a de Polignac number, because 320004478201 - 2¹⁵ = 320004445433 is a prime.

It is not a weakly prime, because it can be changed into another prime (320004476201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160002239100 + 160002239101.

It is an arithmetic number, because the mean of its divisors is an integer number (160002239101).

Almost surely, 2^320004478201 is an apocalyptic number.

It is an amenable number.

320004478201 is a deficient number, since it is larger than the sum of its proper divisors (1).

320004478201 is an equidigital number, since it uses as much as digits as its factorization.

320004478201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 320004478201 its reverse (102874400023), we get a palindrome (422878878224).

The spelling of 320004478201 in words is "three hundred twenty billion, four million, four hundred seventy-eight thousand, two hundred one".