204335128 has 16 divisors (see below), whose sum is σ = 399786480. Its totient is φ = 97725408.

The previous prime is 204335119. The next prime is 204335141. The reversal of 204335128 is 821533402.

204335128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 204335096 and 204335105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555075 + ... + 555442.

It is an arithmetic number, because the mean of its divisors is an integer number (24986655).

Almost surely, 2^204335128 is an apocalyptic number.

It is an amenable number.

204335128 is a deficient number, since it is larger than the sum of its proper divisors (195451352).

204335128 is a wasteful number, since it uses less digits than its factorization.

204335128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110546 (or 1110542 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 204335128 is about 14294.5838694241. The cubic root of 204335128 is about 588.9987115194.

The spelling of 204335128 in words is "two hundred four million, three hundred thirty-five thousand, one hundred twenty-eight".