565345220 has 24 divisors (see below), whose sum is σ = 1295155008. Its totient is φ = 205580000.

The previous prime is 565345213. The next prime is 565345229. The reversal of 565345220 is 22543565.

565345220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (565345229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284656 + ... + 1285095.

It is an arithmetic number, because the mean of its divisors is an integer number (53964792).

Almost surely, 2^565345220 is an apocalyptic number.

It is an amenable number.

565345220 is an abundant number, since it is smaller than the sum of its proper divisors (729809788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565345220 is a wasteful number, since it uses less digits than its factorization.

565345220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569771 (or 2569769 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 565345220 is about 23776.9892963764. The cubic root of 565345220 is about 826.8712809348.

Adding to 565345220 its reverse (22543565), we get a palindrome (587888785).

It can be divided in two parts, 565345 and 220, that added together give a palindrome (565565).

The spelling of 565345220 in words is "five hundred sixty-five million, three hundred forty-five thousand, two hundred twenty".