220220242 has 24 divisors (see below), whose sum is σ = 367718400. Its totient is φ = 98824440.

The previous prime is 220220237. The next prime is 220220251. The reversal of 220220242 is 242022022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13359 + ... + 24877.

It is an arithmetic number, because the mean of its divisors is an integer number (15321600).

Almost surely, 2^220220242 is an apocalyptic number.

220220242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220220242 is a deficient number, since it is larger than the sum of its proper divisors (147498158).

220220242 is a wasteful number, since it uses less digits than its factorization.

220220242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11622 (or 11611 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220220242 is about 14839.8194732955. The cubic root of 220220242 is about 603.8824548681.

Adding to 220220242 its reverse (242022022), we get a palindrome (462242264).

The spelling of 220220242 in words is "two hundred twenty million, two hundred twenty thousand, two hundred forty-two".