204144210 has 24 divisors (see below), whose sum is σ = 530775180. Its totient is φ = 54438432.

The previous prime is 204144197. The next prime is 204144217. The reversal of 204144210 is 12441402.

It can be written as a sum of positive squares in 2 ways, for example, as 187717401 + 16426809 = 13701^2 + 4053^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204144217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1134045 + ... + 1134224.

Almost surely, 2^204144210 is an apocalyptic number.

204144210 is an abundant number, since it is smaller than the sum of its proper divisors (326630970).

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

204144210 is a wasteful number, since it uses less digits than its factorization.

204144210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268282 (or 2268279 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204144210 is about 14287.9043249876. The cubic root of 204144210 is about 588.8152131369.

Adding to 204144210 its reverse (12441402), we get a palindrome (216585612).

The spelling of 204144210 in words is "two hundred four million, one hundred forty-four thousand, two hundred ten".