220022020221 has 32 divisors (see below), whose sum is σ = 298688901888. Its totient is φ = 144037232640.

The previous prime is 220022020187. The next prime is 220022020247. The reversal of 220022020221 is 122020220022.

It is not a de Polignac number, because 220022020221 - 2⁹ = 220022019709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220022020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022020291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65461581 + ... + 65464941.

It is an arithmetic number, because the mean of its divisors is an integer number (9334028184).

Almost surely, 2^220022020221 is an apocalyptic number.

It is an amenable number.

220022020221 is a deficient number, since it is larger than the sum of its proper divisors (78666881667).

220022020221 is a wasteful number, since it uses less digits than its factorization.

220022020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220022020221 its reverse (122020220022), we get a palindrome (342042240243).

The spelling of 220022020221 in words is "two hundred twenty billion, twenty-two million, twenty thousand, two hundred twenty-one".