204678801 has 12 divisors (see below), whose sum is σ = 295787700. Its totient is φ = 136387680.

The previous prime is 204678797. The next prime is 204678829. The reversal of 204678801 is 108876402.

It can be written as a sum of positive squares in 2 ways, for example, as 106193025 + 98485776 = 10305^2 + 9924^2 .

It is not a de Polignac number, because 204678801 - 2² = 204678797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204678841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21775 + ... + 29723.

It is an arithmetic number, because the mean of its divisors is an integer number (24648975).

Almost surely, 2^204678801 is an apocalyptic number.

It is an amenable number.

204678801 is a deficient number, since it is larger than the sum of its proper divisors (91108899).

204678801 is a wasteful number, since it uses less digits than its factorization.

204678801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816 (or 10813 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 204678801 is about 14306.5999105308. The cubic root of 204678801 is about 589.3287405530.

The spelling of 204678801 in words is "two hundred four million, six hundred seventy-eight thousand, eight hundred one".