320233302033221 has 8 divisors (see below), whose sum is σ = 325144054001088. Its totient is φ = 315333672948000.

The previous prime is 320233302033167. The next prime is 320233302033331. The reversal of 320233302033221 is 122330203332023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320233302033221 - 2⁴⁶ = 249864557855557 is a prime.

It is a super-2 number, since 2×320233302033221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320233302033721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2780662640 + ... + 2780777801.

It is an arithmetic number, because the mean of its divisors is an integer number (40643006750136).

Almost surely, 2^{320233302033221} is an apocalyptic number.

It is an amenable number.

320233302033221 is a deficient number, since it is larger than the sum of its proper divisors (4910751967867).

320233302033221 is an equidigital number, since it uses as much as digits as its factorization.

320233302033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561441323.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 320233302033221 its reverse (122330203332023), we get a palindrome (442563505365244).

The spelling of 320233302033221 in words is "three hundred twenty trillion, two hundred thirty-three billion, three hundred two million, thirty-three thousand, two hundred twenty-one".