220203 has 12 divisors (see below), whose sum is σ = 326040. Its totient is φ = 143136.

The previous prime is 220189. The next prime is 220217. The reversal of 220203 is 302022.

It is an interprime number because it is at equal distance from previous prime (220189) and next prime (220217).

It is not a de Polignac number, because 220203 - 2¹² = 216107 is a prime.

It is a super-2 number, since 2×220203² = 96978722418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (27170).

2²²⁰²⁰³ is an apocalyptic number.

220203 is a deficient number, since it is larger than the sum of its proper divisors (105837).

220203 is a wasteful number, since it uses less digits than its factorization.

220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 220203 is about 469.2579248132. The cubic root of 220203 is about 60.3866694263.

Adding to 220203 its reverse (302022), we get a palindrome (522225).

The spelling of 220203 in words is "two hundred twenty thousand, two hundred three", and thus it is an iban number.