204036 has 36 divisors (see below), whose sum is σ = 555408. Its totient is φ = 58128.

The previous prime is 204023. The next prime is 204047. The reversal of 204036 is 630402.

204036 = T₉ + T₁₀ + ... + T₁₀₆.

204036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

204036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (15428).

2²⁰⁴⁰³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277704).

204036 is an abundant number, since it is smaller than the sum of its proper divisors (351372).

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

204036 is a wasteful number, since it uses less digits than its factorization.

204036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 204036 is about 451.7034425372. The cubic root of 204036 is about 58.8711157683.

Adding to 204036 its reverse (630402), we get a palindrome (834438).

The spelling of 204036 in words is "two hundred four thousand, thirty-six".