204650005 has 8 divisors (see below), whose sum is σ = 280662912. Its totient is φ = 140331408.

The previous prime is 204649993. The next prime is 204650009. The reversal of 204650005 is 500056402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204650005 - 2⁹ = 204649493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204650009) 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 7 ways as a sum of consecutive naturals, for example, 2923537 + ... + 2923606.

It is an arithmetic number, because the mean of its divisors is an integer number (35082864).

Almost surely, 2^204650005 is an apocalyptic number.

It is an amenable number.

204650005 is a deficient number, since it is larger than the sum of its proper divisors (76012907).

204650005 is an equidigital number, since it uses as much as digits as its factorization.

204650005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847155.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 204650005 is about 14305.5934864654. The cubic root of 204650005 is about 589.3011019533.

The spelling of 204650005 in words is "two hundred four million, six hundred fifty thousand, five".