205500995 has 8 divisors (see below), whose sum is σ = 281829984. Its totient is φ = 140914944.

The previous prime is 205500983. The next prime is 205501003. The reversal of 205500995 is 599005502.

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

It is a cyclic number.

It is not a de Polignac number, because 205500995 - 2¹⁰ = 205499971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 5871457 = 205500995 / (2 + 0 + 5 + 5 + 0 + 0 + 9 + 9 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935694 + ... + 2935763.

It is an arithmetic number, because the mean of its divisors is an integer number (35228748).

Almost surely, 2^205500995 is an apocalyptic number.

205500995 is a deficient number, since it is larger than the sum of its proper divisors (76328989).

205500995 is an equidigital number, since it uses as much as digits as its factorization.

205500995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871469.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 205500995 is about 14335.3058913997. The cubic root of 205500995 is about 590.1167967567.

The spelling of 205500995 in words is "two hundred five million, five hundred thousand, nine hundred ninety-five".