220189355 has 8 divisors (see below), whose sum is σ = 279770112. Its totient is φ = 165789568.

The previous prime is 220189351. The next prime is 220189367. The reversal of 220189355 is 553981022.

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 220189355 - 2² = 220189351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220189351) 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, 1295147 + ... + 1295316.

It is an arithmetic number, because the mean of its divisors is an integer number (34971264).

Almost surely, 2^220189355 is an apocalyptic number.

220189355 is a deficient number, since it is larger than the sum of its proper divisors (59580757).

220189355 is a wasteful number, since it uses less digits than its factorization.

220189355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590485.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 220189355 is about 14838.7787570271. The cubic root of 220189355 is about 603.8542210277.

The spelling of 220189355 in words is "two hundred twenty million, one hundred eighty-nine thousand, three hundred fifty-five".