204235436 has 6 divisors (see below), whose sum is σ = 357412020. Its totient is φ = 102117716.

The previous prime is 204235417. The next prime is 204235457. The reversal of 204235436 is 634532402.

It is a super-2 number, since 2×204235436² = 83424226636220192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204235399 and 204235408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25529426 + ... + 25529433.

It is an arithmetic number, because the mean of its divisors is an integer number (59568670).

Almost surely, 2^204235436 is an apocalyptic number.

It is an amenable number.

204235436 is a deficient number, since it is larger than the sum of its proper divisors (153176584).

204235436 is a wasteful number, since it uses less digits than its factorization.

204235436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51058863 (or 51058861 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 204235436 is about 14291.0963890109. The cubic root of 204235436 is about 588.9029081008.

Adding to 204235436 its reverse (634532402), we get a palindrome (838767838).

The spelling of 204235436 in words is "two hundred four million, two hundred thirty-five thousand, four hundred thirty-six".