220001283618 has 16 divisors (see below), whose sum is σ = 442955606400. Its totient is φ = 72841588016.

The previous prime is 220001283617. The next prime is 220001283721. The reversal of 220001283618 is 816382100022.

It is not an unprimeable number, because it can be changed into a prime (220001283617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123042330 + ... + 123044117.

It is an arithmetic number, because the mean of its divisors is an integer number (27684725400).

Almost surely, 2^220001283618 is an apocalyptic number.

220001283618 is an abundant number, since it is smaller than the sum of its proper divisors (222954322782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220001283618 is a wasteful number, since it uses less digits than its factorization.

220001283618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246086601.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 220001283618 in words is "two hundred twenty billion, one million, two hundred eighty-three thousand, six hundred eighteen".