204266428 has 12 divisors (see below), whose sum is σ = 366185232. Its totient is φ = 99642080.

The previous prime is 204266411. The next prime is 204266431. The reversal of 204266428 is 824662402.

204266428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204266393 and 204266402.

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, 622600 + ... + 622927.

It is an arithmetic number, because the mean of its divisors is an integer number (30515436).

Almost surely, 2^204266428 is an apocalyptic number.

It is an amenable number.

204266428 is a deficient number, since it is larger than the sum of its proper divisors (161918804).

204266428 is a wasteful number, since it uses less digits than its factorization.

204266428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245572 (or 1245570 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 204266428 is about 14292.1806593676. The cubic root of 204266428 is about 588.9326945671.

The spelling of 204266428 in words is "two hundred four million, two hundred sixty-six thousand, four hundred twenty-eight".