204025240 has 16 divisors (see below), whose sum is σ = 459056880. Its totient is φ = 81610080.

The previous prime is 204025193. The next prime is 204025247. The reversal of 204025240 is 42520402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204025247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550276 + ... + 2550355.

It is an arithmetic number, because the mean of its divisors is an integer number (28691055).

Almost surely, 2^204025240 is an apocalyptic number.

204025240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204025240 is an abundant number, since it is smaller than the sum of its proper divisors (255031640).

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

204025240 is a wasteful number, since it uses less digits than its factorization.

204025240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100642 (or 5100638 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 204025240 is about 14283.7404064902. The cubic root of 204025240 is about 588.7008087846.

Adding to 204025240 its reverse (42520402), we get a palindrome (246545642).

The spelling of 204025240 in words is "two hundred four million, twenty-five thousand, two hundred forty".