220012303221 has 16 divisors (see below), whose sum is σ = 326000785600. Its totient is φ = 146649384144.

The previous prime is 220012303187. The next prime is 220012303253. The reversal of 220012303221 is 122303210022.

220012303221 is a `hidden beast` number, since 220 + 0 + 123 + 0 + 322 + 1 = 666.

It is not a de Polignac number, because 220012303221 - 2¹⁸ = 220012041077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220012303194 and 220012303203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012373221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548986 + ... + 861051.

It is an arithmetic number, because the mean of its divisors is an integer number (20375049100).

Almost surely, 2^220012303221 is an apocalyptic number.

It is an amenable number.

220012303221 is a deficient number, since it is larger than the sum of its proper divisors (105988482379).

220012303221 is a wasteful number, since it uses less digits than its factorization.

220012303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415825 (or 1415819 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220012303221 its reverse (122303210022), we get a palindrome (342315513243).

The spelling of 220012303221 in words is "two hundred twenty billion, twelve million, three hundred three thousand, two hundred twenty-one".