320221302233 has 12 divisors (see below), whose sum is σ = 373474944000. Its totient is φ = 273758739912.

The previous prime is 320221302223. The next prime is 320221302263. The reversal of 320221302233 is 332203122023.

It is not a de Polignac number, because 320221302233 - 2¹⁰ = 320221301209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320221302199 and 320221302208.

It is not an unprimeable number, because it can be changed into a prime (320221302223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8512733 + ... + 8550266.

It is an arithmetic number, because the mean of its divisors is an integer number (31122912000).

Almost surely, 2^320221302233 is an apocalyptic number.

It is an amenable number.

320221302233 is a deficient number, since it is larger than the sum of its proper divisors (53253641767).

320221302233 is a wasteful number, since it uses less digits than its factorization.

320221302233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17063396 (or 17063389 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 320221302233 its reverse (332203122023), we get a palindrome (652424424256).

The spelling of 320221302233 in words is "three hundred twenty billion, two hundred twenty-one million, three hundred two thousand, two hundred thirty-three".