220590242 has 8 divisors (see below), whose sum is σ = 331387932. Its totient is φ = 110127600.

The previous prime is 220590239. The next prime is 220590277. The reversal of 220590242 is 242095022.

It can be written as a sum of positive squares in 2 ways, for example, as 180660481 + 39929761 = 13441^2 + 6319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82109 + ... + 84752.

Almost surely, 2^220590242 is an apocalyptic number.

220590242 is a deficient number, since it is larger than the sum of its proper divisors (110797690).

220590242 is a wasteful number, since it uses less digits than its factorization.

220590242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167524.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 220590242 is about 14852.2807002830. The cubic root of 220590242 is about 604.2204672269.

The spelling of 220590242 in words is "two hundred twenty million, five hundred ninety thousand, two hundred forty-two".