320333201 has 4 divisors (see below), whose sum is σ = 322185012. Its totient is φ = 318481392.

The previous prime is 320333197. The next prime is 320333207. The reversal of 320333201 is 102333023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102333023 = 13 ⋅7871771.

It can be written as a sum of positive squares in 2 ways, for example, as 241833601 + 78499600 = 15551^2 + 8860^2 .

It is a cyclic number.

It is not a de Polignac number, because 320333201 - 2² = 320333197 is a prime.

It is a super-2 number, since 2×320333201² = 205226719325812802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320333201.

It is not an unprimeable number, because it can be changed into a prime (320333207) 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, 925646 + ... + 925991.

It is an arithmetic number, because the mean of its divisors is an integer number (80546253).

Almost surely, 2^320333201 is an apocalyptic number.

It is an amenable number.

320333201 is a deficient number, since it is larger than the sum of its proper divisors (1851811).

320333201 is a wasteful number, since it uses less digits than its factorization.

320333201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851810.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 320333201 is about 17897.8546479739. The cubic root of 320333201 is about 684.2276986927.

Adding to 320333201 its reverse (102333023), we get a palindrome (422666224).

The spelling of 320333201 in words is "three hundred twenty million, three hundred thirty-three thousand, two hundred one".