220013565 has 16 divisors (see below), whose sum is σ = 352228608. Its totient is φ = 117271616.

The previous prime is 220013543. The next prime is 220013587. The reversal of 220013565 is 565310022.

It is an interprime number because it is at equal distance from previous prime (220013543) and next prime (220013587).

It is a cyclic number.

It is not a de Polignac number, because 220013565 - 2⁶ = 220013501 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31852 + ... + 38138.

It is an arithmetic number, because the mean of its divisors is an integer number (22014288).

Almost surely, 2^220013565 is an apocalyptic number.

It is an amenable number.

220013565 is a deficient number, since it is larger than the sum of its proper divisors (132215043).

220013565 is a wasteful number, since it uses less digits than its factorization.

220013565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 220013565 is about 14832.8542431995. The cubic root of 220013565 is about 603.6934809002.

Adding to 220013565 its reverse (565310022), we get a palindrome (785323587).

The spelling of 220013565 in words is "two hundred twenty million, thirteen thousand, five hundred sixty-five".