220230243 has 12 divisors (see below), whose sum is σ = 319130760. Its totient is φ = 146349216.

The previous prime is 220230217. The next prime is 220230259. The reversal of 220230243 is 342032022.

It is not a de Polignac number, because 220230243 - 2¹⁷ = 220099171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220230343) 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, 36273 + ... + 41906.

It is an arithmetic number, because the mean of its divisors is an integer number (26594230).

Almost surely, 2^220230243 is an apocalyptic number.

220230243 is a deficient number, since it is larger than the sum of its proper divisors (98900517).

220230243 is a wasteful number, since it uses less digits than its factorization.

220230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78498 (or 78495 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220230243 is about 14840.1564344855. The cubic root of 220230243 is about 603.8915962273.

Adding to 220230243 its reverse (342032022), we get a palindrome (562262265).

The spelling of 220230243 in words is "two hundred twenty million, two hundred thirty thousand, two hundred forty-three".