204050805 has 64 divisors (see below), whose sum is σ = 383533056. Its totient is φ = 90720000.

The previous prime is 204050771. The next prime is 204050807. The reversal of 204050805 is 508050402.

It is not a de Polignac number, because 204050805 - 2⁶ = 204050741 is a prime.

It is a super-2 number, since 2×204050805² = 83273462042296050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204050807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 752820 + ... + 753090.

It is an arithmetic number, because the mean of its divisors is an integer number (5992704).

Almost surely, 2^204050805 is an apocalyptic number.

It is an amenable number.

204050805 is a deficient number, since it is larger than the sum of its proper divisors (179482251).

204050805 is a wasteful number, since it uses less digits than its factorization.

204050805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 204050805 is about 14284.6352771081. The cubic root of 204050805 is about 588.7253964412.

The spelling of 204050805 in words is "two hundred four million, fifty thousand, eight hundred five".