204026 has 4 divisors (see below), whose sum is σ = 306042. Its totient is φ = 102012.

The previous prime is 204023. The next prime is 204047. The reversal of 204026 is 620402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203401 + 625 = 451^2 + 25^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204026.

It is not an unprimeable number, because it can be changed into a prime (204023) by changing a digit.

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 as a sum of consecutive naturals, namely, 51005 + ... + 51008.

2²⁰⁴⁰²⁶ is an apocalyptic number.

204026 is a deficient number, since it is larger than the sum of its proper divisors (102016).

204026 is a wasteful number, since it uses less digits than its factorization.

204026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102015.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 204026 is about 451.6923731922. The cubic root of 204026 is about 58.8701539760.

Adding to 204026 its reverse (620402), we get a palindrome (824428).

The spelling of 204026 in words is "two hundred four thousand, twenty-six".