220260765 has 16 divisors (see below), whose sum is σ = 367740288. Its totient is φ = 112364736.

The previous prime is 220260763. The next prime is 220260773. The reversal of 220260765 is 567062022.

220260765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220260765 - 2¹ = 220260763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220260763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318874 + ... + 319563.

It is an arithmetic number, because the mean of its divisors is an integer number (22983768).

Almost surely, 2^220260765 is an apocalyptic number.

It is an amenable number.

220260765 is a deficient number, since it is larger than the sum of its proper divisors (147479523).

220260765 is a wasteful number, since it uses less digits than its factorization.

220260765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638468.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 220260765 is about 14841.1847572894. The cubic root of 220260765 is about 603.9194929830.

The spelling of 220260765 in words is "two hundred twenty million, two hundred sixty thousand, seven hundred sixty-five".