204245004 has 48 divisors (see below), whose sum is σ = 506888928. Its totient is φ = 63787008.

The previous prime is 204244981. The next prime is 204245023. The reversal of 204245004 is 400542402.

204245004 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.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45384 + ... + 49680.

It is an arithmetic number, because the mean of its divisors is an integer number (10560186).

Almost surely, 2^204245004 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 204245004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253444464).

204245004 is an abundant number, since it is smaller than the sum of its proper divisors (302643924).

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

204245004 is a wasteful number, since it uses less digits than its factorization.

204245004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 204245004 is about 14291.4311389728. The cubic root of 204245004 is about 588.9121042441.

Adding to 204245004 its reverse (400542402), we get a palindrome (604787406).

The spelling of 204245004 in words is "two hundred four million, two hundred forty-five thousand, four".