220242213 has 16 divisors (see below), whose sum is σ = 330883200. Its totient is φ = 144758880.

The previous prime is 220242193. The next prime is 220242223. The reversal of 220242213 is 312242022.

It is not a de Polignac number, because 220242213 - 2⁶ = 220242149 is a prime.

It is a Curzon number.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55528 + ... + 59361.

It is an arithmetic number, because the mean of its divisors is an integer number (20680200).

Almost surely, 2^220242213 is an apocalyptic number.

It is an amenable number.

220242213 is a deficient number, since it is larger than the sum of its proper divisors (110640987).

220242213 is a wasteful number, since it uses less digits than its factorization.

220242213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114969 (or 114963 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220242213 is about 14840.5597266410. The cubic root of 220242213 is about 603.9025369763.

Adding to 220242213 its reverse (312242022), we get a palindrome (532484235).

The spelling of 220242213 in words is "two hundred twenty million, two hundred forty-two thousand, two hundred thirteen".