201305564 has 12 divisors (see below), whose sum is σ = 352403688. Its totient is φ = 100618800.

The previous prime is 201305563. The next prime is 201305579. The reversal of 201305564 is 465503102.

201305564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201305561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8699 + ... + 21869.

It is an arithmetic number, because the mean of its divisors is an integer number (29366974).

Almost surely, 2^201305564 is an apocalyptic number.

It is an amenable number.

201305564 is a deficient number, since it is larger than the sum of its proper divisors (151098124).

201305564 is a wasteful number, since it uses less digits than its factorization.

201305564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16996 (or 16994 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 201305564 is about 14188.2191976301. The cubic root of 201305564 is about 586.0732861940.

Adding to 201305564 its reverse (465503102), we get a palindrome (666808666).

The spelling of 201305564 in words is "two hundred one million, three hundred five thousand, five hundred sixty-four".