220320333221 has 8 divisors (see below), whose sum is σ = 220653517824. Its totient is φ = 219987330640.

The previous prime is 220320333203. The next prime is 220320333223. The reversal of 220320333221 is 122333023022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220320333221 is a prime.

It is a super-2 number, since 2×220320333221² (a number of 23 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 (220320333223) 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, 2482391 + ... + 2569611.

It is an arithmetic number, because the mean of its divisors is an integer number (27581689728).

Almost surely, 2^220320333221 is an apocalyptic number.

It is an amenable number.

220320333221 is a deficient number, since it is larger than the sum of its proper divisors (333184603).

220320333221 is an equidigital number, since it uses as much as digits as its factorization.

220320333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91011.

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

Adding to 220320333221 its reverse (122333023022), we get a palindrome (342653356243).

The spelling of 220320333221 in words is "two hundred twenty billion, three hundred twenty million, three hundred thirty-three thousand, two hundred twenty-one".