220023154165 has 16 divisors (see below), whose sum is σ = 264289902912. Its totient is φ = 175843874304.

The previous prime is 220023154147. The next prime is 220023154201. The reversal of 220023154165 is 561451320022.

It is a cyclic number.

It is not a de Polignac number, because 220023154165 - 2⁹ = 220023153653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37562917 + ... + 37568773.

It is an arithmetic number, because the mean of its divisors is an integer number (16518118932).

Almost surely, 2^220023154165 is an apocalyptic number.

It is an amenable number.

220023154165 is a deficient number, since it is larger than the sum of its proper divisors (44266748747).

220023154165 is a wasteful number, since it uses less digits than its factorization.

220023154165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 220023154165 its reverse (561451320022), we get a palindrome (781474474187).

The spelling of 220023154165 in words is "two hundred twenty billion, twenty-three million, one hundred fifty-four thousand, one hundred sixty-five".