201304512564 has 24 divisors (see below), whose sum is σ = 485907444960. Its totient is φ = 64787659104.

The previous prime is 201304512557. The next prime is 201304512571. The reversal of 201304512564 is 465215403102.

It is an interprime number because it is at equal distance from previous prime (201304512557) and next prime (201304512571).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289230274 + ... + 289230969.

It is an arithmetic number, because the mean of its divisors is an integer number (20246143540).

Almost surely, 2^201304512564 is an apocalyptic number.

It is an amenable number.

201304512564 is an abundant number, since it is smaller than the sum of its proper divisors (284602932396).

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

201304512564 is a wasteful number, since it uses less digits than its factorization.

201304512564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578461279 (or 578461277 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 201304512564 its reverse (465215403102), we get a palindrome (666519915666).

The spelling of 201304512564 in words is "two hundred one billion, three hundred four million, five hundred twelve thousand, five hundred sixty-four".