220242203 has 4 divisors (see below), whose sum is σ = 221020728. Its totient is φ = 219463680.

The previous prime is 220242193. The next prime is 220242223. The reversal of 220242203 is 302242022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302242022 = 2 ⋅151121011.

It is a cyclic number.

It is not a de Polignac number, because 220242203 - 2²⁰ = 219193627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220242223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388838 + ... + 389403.

It is an arithmetic number, because the mean of its divisors is an integer number (55255182).

Almost surely, 2^220242203 is an apocalyptic number.

220242203 is a deficient number, since it is larger than the sum of its proper divisors (778525).

220242203 is an equidigital number, since it uses as much as digits as its factorization.

220242203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778524.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 220242203 is about 14840.5593897265. The cubic root of 220242203 is about 603.9025278363.

Adding to 220242203 its reverse (302242022), we get a palindrome (522484225).

The spelling of 220242203 in words is "two hundred twenty million, two hundred forty-two thousand, two hundred three".