220195 has 8 divisors (see below), whose sum is σ = 270144. Its totient is φ = 172224.

The previous prime is 220189. The next prime is 220217. The reversal of 220195 is 591022.

220195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 220195 - 2⁵ = 220163 is a prime.

It is a Duffinian number.

220195 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (33768).

2²²⁰¹⁹⁵ is an apocalyptic number.

220195 is the 235-th decagonal number.

220195 is a deficient number, since it is larger than the sum of its proper divisors (49949).

220195 is an equidigital number, since it uses as much as digits as its factorization.

220195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 220195 is about 469.2494006389. The cubic root of 220195 is about 60.3859381326.

The spelling of 220195 in words is "two hundred twenty thousand, one hundred ninety-five".