220009018 has 8 divisors (see below), whose sum is σ = 347382720. Its totient is φ = 104214780.

The previous prime is 220009001. The next prime is 220009033. The reversal of 220009018 is 810900022.

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

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 220009018.

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, 2894818 + ... + 2894893.

It is an arithmetic number, because the mean of its divisors is an integer number (43422840).

Almost surely, 2^220009018 is an apocalyptic number.

220009018 is a deficient number, since it is larger than the sum of its proper divisors (127373702).

220009018 is a wasteful number, since it uses less digits than its factorization.

220009018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789732.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 220009018 is about 14832.7009677941. The cubic root of 220009018 is about 603.6893220457.

The spelling of 220009018 in words is "two hundred twenty million, nine thousand, eighteen".