3220320220221 has 8 divisors (see below), whose sum is σ = 4624049547040. Its totient is φ = 1981735520112.

The previous prime is 3220320220207. The next prime is 3220320220279. The reversal of 3220320220221 is 1220220230223.

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

It is not a de Polignac number, because 3220320220221 - 2⁷ = 3220320220093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220320220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41286156631 + ... + 41286156708.

It is an arithmetic number, because the mean of its divisors is an integer number (578006193380).

Almost surely, 2^{3220320220221} is an apocalyptic number.

It is an amenable number.

3220320220221 is a deficient number, since it is larger than the sum of its proper divisors (1403729326819).

3220320220221 is a wasteful number, since it uses less digits than its factorization.

3220320220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82572313355.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 3220320220221 its reverse (1220220230223), we get a palindrome (4440540450444).

The spelling of 3220320220221 in words is "three trillion, two hundred twenty billion, three hundred twenty million, two hundred twenty thousand, two hundred twenty-one".