220889803565 has 8 divisors (see below), whose sum is σ = 279018699360. Its totient is φ = 167411219472.

The previous prime is 220889803559. The next prime is 220889803573. The reversal of 220889803565 is 565308988022.

It is a happy number.

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 220889803565 - 2⁴ = 220889803549 is a prime.

It is a super-3 number, since 3×220889803565³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220889803565.

It is a congruent 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, 1162577819 + ... + 1162578008.

It is an arithmetic number, because the mean of its divisors is an integer number (34877337420).

Almost surely, 2^220889803565 is an apocalyptic number.

It is an amenable number.

220889803565 is a deficient number, since it is larger than the sum of its proper divisors (58128895795).

220889803565 is a wasteful number, since it uses less digits than its factorization.

220889803565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325155851.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 220889803565 in words is "two hundred twenty billion, eight hundred eighty-nine million, eight hundred three thousand, five hundred sixty-five".