204243024 has 40 divisors (see below), whose sum is σ = 530021632. Its totient is φ = 67772160.

The previous prime is 204243007. The next prime is 204243047. The reversal of 204243024 is 420342402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 20244.

Almost surely, 2^204243024 is an apocalyptic number.

204243024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204243024 is an abundant number, since it is smaller than the sum of its proper divisors (325778608).

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

204243024 is a wasteful number, since it uses less digits than its factorization.

204243024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19315 (or 19309 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 204243024 is about 14291.3618665262. The cubic root of 204243024 is about 588.9102012196.

Adding to 204243024 its reverse (420342402), we get a palindrome (624585426).

The spelling of 204243024 in words is "two hundred four million, two hundred forty-three thousand, twenty-four".