220415242 has 16 divisors (see below), whose sum is σ = 339288192. Its totient is φ = 107341920.

The previous prime is 220415227. The next prime is 220415263. The reversal of 220415242 is 242514022.

220415242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×220415242³ (a number of 26 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14278 + ... + 25390.

It is an arithmetic number, because the mean of its divisors is an integer number (21205512).

Almost surely, 2^220415242 is an apocalyptic number.

220415242 is a deficient number, since it is larger than the sum of its proper divisors (118872950).

220415242 is a wasteful number, since it uses less digits than its factorization.

220415242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 220415242 is about 14846.3881802949. The cubic root of 220415242 is about 604.0606436632.

Adding to 220415242 its reverse (242514022), we get a palindrome (462929264).

The spelling of 220415242 in words is "two hundred twenty million, four hundred fifteen thousand, two hundred forty-two".