204223300 has 18 divisors (see below), whose sum is σ = 443164778. Its totient is φ = 81689280.

The previous prime is 204223291. The next prime is 204223333. The reversal of 204223300 is 3322402.

It can be written as a sum of positive squares in 3 ways, for example, as 3944196 + 200279104 = 1986^2 + 14152^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1021017 + ... + 1021216.

Almost surely, 2^204223300 is an apocalyptic number.

204223300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204223300 is an abundant number, since it is smaller than the sum of its proper divisors (238941478).

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

204223300 is a wasteful number, since it uses less digits than its factorization.

204223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042247 (or 2042240 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 204223300 is about 14290.6717826700. The cubic root of 204223300 is about 588.8912433486.

Adding to 204223300 its reverse (3322402), we get a palindrome (207545702).

The spelling of 204223300 in words is "two hundred four million, two hundred twenty-three thousand, three hundred".