204245426 has 24 divisors (see below), whose sum is σ = 388788336. Its totient is φ = 79575720.

The previous prime is 204245417. The next prime is 204245443. The reversal of 204245426 is 624542402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93656 + ... + 95811.

It is an arithmetic number, because the mean of its divisors is an integer number (16199514).

Almost surely, 2^204245426 is an apocalyptic number.

204245426 is a deficient number, since it is larger than the sum of its proper divisors (184542910).

204245426 is a wasteful number, since it uses less digits than its factorization.

204245426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189494 (or 189487 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 204245426 is about 14291.4459030568. The cubic root of 204245426 is about 588.9125098366.

Adding to 204245426 its reverse (624542402), we get a palindrome (828787828).

The spelling of 204245426 in words is "two hundred four million, two hundred forty-five thousand, four hundred twenty-six".