204796128 has 24 divisors (see below), whose sum is σ = 537590088. Its totient is φ = 68265344.

The previous prime is 204796103. The next prime is 204796129. The reversal of 204796128 is 821697402.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204796129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066551 + ... + 1066742.

It is an arithmetic number, because the mean of its divisors is an integer number (22399587).

Almost surely, 2^204796128 is an apocalyptic number.

It is an amenable number.

204796128 is an abundant number, since it is smaller than the sum of its proper divisors (332793960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204796128 is a wasteful number, since it uses less digits than its factorization.

204796128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133306 (or 2133298 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 204796128 is about 14310.6997732466. The cubic root of 204796128 is about 589.4413250273.

The spelling of 204796128 in words is "two hundred four million, seven hundred ninety-six thousand, one hundred twenty-eight".