205095984 has 20 divisors (see below), whose sum is σ = 529831416. Its totient is φ = 68365312.

The previous prime is 205095959. The next prime is 205095997. The reversal of 205095984 is 489590502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136369 + ... + 2136464.

Almost surely, 2^205095984 is an apocalyptic number.

205095984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

205095984 is an abundant number, since it is smaller than the sum of its proper divisors (324735432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205095984 is a wasteful number, since it uses less digits than its factorization.

205095984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272844 (or 4272838 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 205095984 is about 14321.1725776907. The cubic root of 205095984 is about 589.7288651728.

The spelling of 205095984 in words is "two hundred five million, ninety-five thousand, nine hundred eighty-four".