204143204 has 6 divisors (see below), whose sum is σ = 357250614. Its totient is φ = 102071600.

The previous prime is 204143197. The next prime is 204143221. The reversal of 204143204 is 402341402.

204143204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 201583204 + 2560000 = 14198^2 + 1600^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25517897 + ... + 25517904.

It is an arithmetic number, because the mean of its divisors is an integer number (59541769).

Almost surely, 2^204143204 is an apocalyptic number.

It is an amenable number.

204143204 is a deficient number, since it is larger than the sum of its proper divisors (153107410).

204143204 is a wasteful number, since it uses less digits than its factorization.

204143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51035805 (or 51035803 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204143204 is about 14287.8691203412. The cubic root of 204143204 is about 588.8142459300.

Adding to 204143204 its reverse (402341402), we get a palindrome (606484606).

The spelling of 204143204 in words is "two hundred four million, one hundred forty-three thousand, two hundred four".