204243006 has 64 divisors (see below), whose sum is σ = 458470656. Its totient is φ = 60134400.

The previous prime is 204242999. The next prime is 204243007. The reversal of 204243006 is 600342402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204243007) 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 31 ways as a sum of consecutive naturals, for example, 390261 + ... + 390783.

It is an arithmetic number, because the mean of its divisors is an integer number (7163604).

Almost surely, 2^204243006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204243006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229235328).

204243006 is an abundant number, since it is smaller than the sum of its proper divisors (254227650).

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

204243006 is a wasteful number, since it uses less digits than its factorization.

204243006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 204243006 is about 14291.3612367752. The cubic root of 204243006 is about 588.9101839194.

Adding to 204243006 its reverse (600342402), we get a palindrome (804585408).

The spelling of 204243006 in words is "two hundred four million, two hundred forty-three thousand, six".