220223203 has 4 divisors (see below), whose sum is σ = 220858200. Its totient is φ = 219588208.

The previous prime is 220223197. The next prime is 220223231. The reversal of 220223203 is 302322022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220223203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220223293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316978 + ... + 317671.

It is an arithmetic number, because the mean of its divisors is an integer number (55214550).

Almost surely, 2^220223203 is an apocalyptic number.

220223203 is a deficient number, since it is larger than the sum of its proper divisors (634997).

220223203 is an equidigital number, since it uses as much as digits as its factorization.

220223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634996.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 220223203 is about 14839.9192383247. The cubic root of 220223203 is about 603.8851613827.

Adding to 220223203 its reverse (302322022), we get a palindrome (522545225).

The spelling of 220223203 in words is "two hundred twenty million, two hundred twenty-three thousand, two hundred three".