220221203 has 4 divisors (see below), whose sum is σ = 220477248. Its totient is φ = 219965160.

The previous prime is 220221193. The next prime is 220221223. The reversal of 220221203 is 302122022.

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

It is a cyclic number.

It is not a de Polignac number, because 220221203 - 2⁴ = 220221187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220221223) 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, 126728 + ... + 128453.

It is an arithmetic number, because the mean of its divisors is an integer number (55119312).

Almost surely, 2^220221203 is an apocalyptic number.

220221203 is a deficient number, since it is larger than the sum of its proper divisors (256045).

220221203 is an equidigital number, since it uses as much as digits as its factorization.

220221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256044.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220221203 is about 14839.8518523603. The cubic root of 220221203 is about 603.8833332769.

Adding to 220221203 its reverse (302122022), we get a palindrome (522343225).

The spelling of 220221203 in words is "two hundred twenty million, two hundred twenty-one thousand, two hundred three".