220343 has 4 divisors (see below), whose sum is σ = 231960. Its totient is φ = 208728.

The previous prime is 220333. The next prime is 220351. The reversal of 220343 is 343022.

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 220343 - 2⁴ = 220327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220333) 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, 5780 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (57990).

2²²⁰³⁴³ is an apocalyptic number.

220343 is a deficient number, since it is larger than the sum of its proper divisors (11617).

220343 is a wasteful number, since it uses less digits than its factorization.

220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 220343 is about 469.4070728057. The cubic root of 220343 is about 60.3994642000.

Adding to 220343 its reverse (343022), we get a palindrome (563365).

The spelling of 220343 in words is "two hundred twenty thousand, three hundred forty-three", and thus it is an iban number.