205638096 has 40 divisors (see below), whose sum is σ = 535126464. Its totient is φ = 68043520.

The previous prime is 205638071. The next prime is 205638131. The reversal of 205638096 is 690836502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9060 + ... + 22211.

Almost surely, 2^205638096 is an apocalyptic number.

It is an amenable number.

205638096 is an abundant number, since it is smaller than the sum of its proper divisors (329488368).

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

205638096 is a wasteful number, since it uses less digits than its factorization.

205638096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31419 (or 31413 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 205638096 is about 14340.0870290246. The cubic root of 205638096 is about 590.2480006914.

The spelling of 205638096 in words is "two hundred five million, six hundred thirty-eight thousand, ninety-six".