220550105 has 16 divisors (see below), whose sum is σ = 278360064. Its totient is φ = 167428800.

The previous prime is 220550101. The next prime is 220550117. The reversal of 220550105 is 501055022.

It is not a de Polignac number, because 220550105 - 2² = 220550101 is a prime.

It is a super-2 number, since 2×220550105² = 97284697631022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220550101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7055 + ... + 22155.

It is an arithmetic number, because the mean of its divisors is an integer number (17397504).

Almost surely, 2^220550105 is an apocalyptic number.

It is an amenable number.

220550105 is a deficient number, since it is larger than the sum of its proper divisors (57809959).

220550105 is a wasteful number, since it uses less digits than its factorization.

220550105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 220550105 is about 14850.9294321938. The cubic root of 220550105 is about 604.1838184799.

The spelling of 220550105 in words is "two hundred twenty million, five hundred fifty thousand, one hundred five".