320032201 has 4 divisors (see below), whose sum is σ = 320954832. Its totient is φ = 319109572.

The previous prime is 320032177. The next prime is 320032211. The reversal of 320032201 is 102230023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320032201 - 2²³ = 311643593 is a prime.

It is a super-3 number, since 3×320032201³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320032211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460795 + ... + 461488.

It is an arithmetic number, because the mean of its divisors is an integer number (80238708).

Almost surely, 2^320032201 is an apocalyptic number.

It is an amenable number.

320032201 is a deficient number, since it is larger than the sum of its proper divisors (922631).

320032201 is an equidigital number, since it uses as much as digits as its factorization.

320032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922630.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320032201 is about 17889.4438426688. The cubic root of 320032201 is about 684.0133207909.

Adding to 320032201 its reverse (102230023), we get a palindrome (422262224).

The spelling of 320032201 in words is "three hundred twenty million, thirty-two thousand, two hundred one".