220773165 has 32 divisors (see below), whose sum is σ = 366944256. Its totient is φ = 113225280.

The previous prime is 220773149. The next prime is 220773167. The reversal of 220773165 is 561377022.

It is not a de Polignac number, because 220773165 - 2⁴ = 220773149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220773167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76234 + ... + 79076.

It is an arithmetic number, because the mean of its divisors is an integer number (11467008).

Almost surely, 2^220773165 is an apocalyptic number.

It is an amenable number.

220773165 is a deficient number, since it is larger than the sum of its proper divisors (146171091).

220773165 is a wasteful number, since it uses less digits than its factorization.

220773165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 220773165 is about 14858.4375019717. The cubic root of 220773165 is about 604.3874363589.

The spelling of 220773165 in words is "two hundred twenty million, seven hundred seventy-three thousand, one hundred sixty-five".