220321230213 has 24 divisors (see below), whose sum is σ = 341750701152. Its totient is φ = 125887538784.

The previous prime is 220321230197. The next prime is 220321230247. The reversal of 220321230213 is 312032123022.

It is a happy number.

It is not a de Polignac number, because 220321230213 - 2⁴ = 220321230197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 220321230213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220321230293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1967806 + ... + 2076752.

It is an arithmetic number, because the mean of its divisors is an integer number (14239612548).

Almost surely, 2^220321230213 is an apocalyptic number.

It is an amenable number.

220321230213 is a deficient number, since it is larger than the sum of its proper divisors (121429470939).

220321230213 is a wasteful number, since it uses less digits than its factorization.

220321230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122721 (or 122714 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220321230213 its reverse (312032123022), we get a palindrome (532353353235).

The spelling of 220321230213 in words is "two hundred twenty billion, three hundred twenty-one million, two hundred thirty thousand, two hundred thirteen".