220241018 has 8 divisors (see below), whose sum is σ = 349794612. Its totient is φ = 103642816.

The previous prime is 220241017. The next prime is 220241029. The reversal of 220241018 is 810142022.

It is a happy number.

220241018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211906249 + 8334769 = 14557^2 + 2887^2 .

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

It is a super-2 number, since 2×220241018² = 97012212019352648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220241011) by changing a digit.

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, 3238805 + ... + 3238872.

Almost surely, 2^220241018 is an apocalyptic number.

220241018 is a deficient number, since it is larger than the sum of its proper divisors (129553594).

220241018 is a wasteful number, since it uses less digits than its factorization.

220241018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477696.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 220241018 is about 14840.5194653017. The cubic root of 220241018 is about 603.9014447473.

The spelling of 220241018 in words is "two hundred twenty million, two hundred forty-one thousand, eighteen".