220364233221 has 8 divisors (see below), whose sum is σ = 320529793824. Its totient is φ = 133554080720.

The previous prime is 220364233211. The next prime is 220364233249. The reversal of 220364233221 is 122332463022.

It is a happy number.

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 220364233221 - 2⁶ = 220364233157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220364233211) 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, 3338851986 + ... + 3338852051.

It is an arithmetic number, because the mean of its divisors is an integer number (40066224228).

Almost surely, 2^220364233221 is an apocalyptic number.

It is an amenable number.

220364233221 is a deficient number, since it is larger than the sum of its proper divisors (100165560603).

220364233221 is a wasteful number, since it uses less digits than its factorization.

220364233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677704051.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 220364233221 its reverse (122332463022), we get a palindrome (342696696243).

The spelling of 220364233221 in words is "two hundred twenty billion, three hundred sixty-four million, two hundred thirty-three thousand, two hundred twenty-one".