220200232321 has 4 divisors (see below), whose sum is σ = 220280864944. Its totient is φ = 220119599700.

The previous prime is 220200232313. The next prime is 220200232339. The reversal of 220200232321 is 123232002022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220200232321 - 2³ = 220200232313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220200233321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40312215 + ... + 40317676.

It is an arithmetic number, because the mean of its divisors is an integer number (55070216236).

Almost surely, 2^220200232321 is an apocalyptic number.

It is an amenable number.

220200232321 is a deficient number, since it is larger than the sum of its proper divisors (80632623).

220200232321 is an equidigital number, since it uses as much as digits as its factorization.

220200232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80632622.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220200232321 its reverse (123232002022), we get a palindrome (343432234343).

The spelling of 220200232321 in words is "two hundred twenty billion, two hundred million, two hundred thirty-two thousand, three hundred twenty-one".