220168869 has 8 divisors (see below), whose sum is σ = 294124032. Its totient is φ = 146496480.

The previous prime is 220168867. The next prime is 220168873. The reversal of 220168869 is 968861022.

220168869 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 not a de Polignac number, because 220168869 - 2¹ = 220168867 is a prime.

It is a super-2 number, since 2×220168869² = 96948661753478322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220168869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220168867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68869 + ... + 71994.

It is an arithmetic number, because the mean of its divisors is an integer number (36765504).

Almost surely, 2^220168869 is an apocalyptic number.

It is an amenable number.

220168869 is a deficient number, since it is larger than the sum of its proper divisors (73955163).

220168869 is a wasteful number, since it uses less digits than its factorization.

220168869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141387.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 220168869 is about 14838.0884550538. The cubic root of 220168869 is about 603.8354932964.

The spelling of 220168869 in words is "two hundred twenty million, one hundred sixty-eight thousand, eight hundred sixty-nine".