204206244 has 144 divisors (see below), whose sum is σ = 568161216. Its totient is φ = 56576000.

The previous prime is 204206203. The next prime is 204206251. The reversal of 204206244 is 442602402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2021794 + ... + 2021894.

It is an arithmetic number, because the mean of its divisors is an integer number (3945564).

Almost surely, 2^204206244 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 204206244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284080608).

204206244 is an abundant number, since it is smaller than the sum of its proper divisors (363954972).

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

204206244 is a wasteful number, since it uses less digits than its factorization.

204206244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 204206244 is about 14290.0750172978. The cubic root of 204206244 is about 588.8748488616.

Adding to 204206244 its reverse (442602402), we get a palindrome (646808646).

The spelling of 204206244 in words is "two hundred four million, two hundred six thousand, two hundred forty-four".