204500052 has 36 divisors (see below), whose sum is σ = 536078816. Its totient is φ = 68166360.

The previous prime is 204500041. The next prime is 204500069. The reversal of 204500052 is 250005402.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 204499998 and 204500034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104224 + ... + 106167.

Almost surely, 2^204500052 is an apocalyptic number.

It is an amenable number.

204500052 is an abundant number, since it is smaller than the sum of its proper divisors (331578764).

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

204500052 is a wasteful number, since it uses less digits than its factorization.

204500052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210410 (or 210396 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 204500052 is about 14300.3514642123. The cubic root of 204500052 is about 589.1571341092.

Adding to 204500052 its reverse (250005402), we get a palindrome (454505454).

The spelling of 204500052 in words is "two hundred four million, five hundred thousand, fifty-two".