204819028 has 12 divisors (see below), whose sum is σ = 358540000. Its totient is φ = 102379032.

The previous prime is 204818981. The next prime is 204819037. The reversal of 204819028 is 820918402.

It is a junction number, because it is equal to n+sod(n) for n = 204818984 and 204819002.

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, 14875 + ... + 25117.

Almost surely, 2^204819028 is an apocalyptic number.

It is an amenable number.

204819028 is a deficient number, since it is larger than the sum of its proper divisors (153720972).

204819028 is a wasteful number, since it uses less digits than its factorization.

204819028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15246 (or 15244 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 204819028 is about 14311.4998515180. The cubic root of 204819028 is about 589.4632943607.

The spelling of 204819028 in words is "two hundred four million, eight hundred nineteen thousand, twenty-eight".