220330105 has 16 divisors (see below), whose sum is σ = 271417104. Its totient is φ = 171601920.

The previous prime is 220330073. The next prime is 220330157. The reversal of 220330105 is 501033022.

It can be written as a sum of positive squares in 8 ways, for example, as 70610409 + 149719696 = 8403^2 + 12236^2 .

It is not a de Polignac number, because 220330105 - 2⁵ = 220330073 is a prime.

It is a super-2 number, since 2×220330105² = 97090710338622050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137167 + ... + 138763.

It is an arithmetic number, because the mean of its divisors is an integer number (16963569).

Almost surely, 2^220330105 is an apocalyptic number.

It is an amenable number.

220330105 is a deficient number, since it is larger than the sum of its proper divisors (51086999).

220330105 is a wasteful number, since it uses less digits than its factorization.

220330105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 220330105 is about 14843.5206403333. The cubic root of 220330105 is about 603.9828593662.

Adding to 220330105 its reverse (501033022), we get a palindrome (721363127).

The spelling of 220330105 in words is "two hundred twenty million, three hundred thirty thousand, one hundred five".