204125204564 has 12 divisors (see below), whose sum is σ = 357529471488. Its totient is φ = 101973927000.

The previous prime is 204125204533. The next prime is 204125204579. The reversal of 204125204564 is 465402521402.

It is a super-3 number, since 3×204125204564³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22163642 + ... + 22172849.

It is an arithmetic number, because the mean of its divisors is an integer number (29794122624).

Almost surely, 2^204125204564 is an apocalyptic number.

It is an amenable number.

204125204564 is a deficient number, since it is larger than the sum of its proper divisors (153404266924).

204125204564 is a wasteful number, since it uses less digits than its factorization.

204125204564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44337646 (or 44337644 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 204125204564 its reverse (465402521402), we get a palindrome (669527725966).

The spelling of 204125204564 in words is "two hundred four billion, one hundred twenty-five million, two hundred four thousand, five hundred sixty-four".