204820827424 has 24 divisors (see below), whose sum is σ = 403252972668. Its totient is φ = 102407374080.

The previous prime is 204820827413. The next prime is 204820827511. The reversal of 204820827424 is 424728028402.

204820827424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 173498907024 + 31321920400 = 416532^2 + 176980^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327894 + ... + 1474090.

Almost surely, 2^204820827424 is an apocalyptic number.

It is an amenable number.

204820827424 is a deficient number, since it is larger than the sum of its proper divisors (198432145244).

204820827424 is a wasteful number, since it uses less digits than its factorization.

204820827424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189988 (or 189980 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 43.

The spelling of 204820827424 in words is "two hundred four billion, eight hundred twenty million, eight hundred twenty-seven thousand, four hundred twenty-four".