204000306 has 16 divisors (see below), whose sum is σ = 432000864. Its totient is φ = 64000064.

The previous prime is 204000301. The next prime is 204000311. The reversal of 204000306 is 603000402.

It is an interprime number because it is at equal distance from previous prime (204000301) and next prime (204000311).

It is a super-2 number, since 2×204000306² = 83232249696187272, which contains 22 as substring.

204000306 is a modest number, since divided by 306 gives 204 as remainder.

It is not an unprimeable number, because it can be changed into a prime (204000301) 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 in 7 ways as a sum of consecutive naturals, for example, 999900 + ... + 1000103.

It is an arithmetic number, because the mean of its divisors is an integer number (27000054).

Almost surely, 2^204000306 is an apocalyptic number.

204000306 is an abundant number, since it is smaller than the sum of its proper divisors (228000558).

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

204000306 is a wasteful number, since it uses less digits than its factorization.

204000306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000025.

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

The square root of 204000306 is about 14282.8675692243. The cubic root of 204000306 is about 588.6768260265.

Adding to 204000306 its reverse (603000402), we get a palindrome (807000708).

The spelling of 204000306 in words is "two hundred four million, three hundred six", and thus it is an aban number.