205891096 has 16 divisors (see below), whose sum is σ = 386333640. Its totient is φ = 102868800.

The previous prime is 205891093. The next prime is 205891099. The reversal of 205891096 is 690198502.

It is an interprime number because it is at equal distance from previous prime (205891093) and next prime (205891099).

It is a super-2 number, since 2×205891096² = 84782286824162432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205891093) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2740 + ... + 20476.

Almost surely, 2^205891096 is an apocalyptic number.

It is an amenable number.

205891096 is a deficient number, since it is larger than the sum of its proper divisors (180442544).

205891096 is a wasteful number, since it uses less digits than its factorization.

205891096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19194 (or 19190 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 205891096 is about 14348.9057422509. The cubic root of 205891096 is about 590.4899654939.

The spelling of 205891096 in words is "two hundred five million, eight hundred ninety-one thousand, ninety-six".