205097650 has 24 divisors (see below), whose sum is σ = 382230000. Its totient is φ = 81878160.

The previous prime is 205097593. The next prime is 205097671. The reversal of 205097650 is 56790502.

205097650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23601 + ... + 31099.

It is an arithmetic number, because the mean of its divisors is an integer number (15926250).

Almost surely, 2^205097650 is an apocalyptic number.

205097650 is a deficient number, since it is larger than the sum of its proper divisors (177132350).

205097650 is a wasteful number, since it uses less digits than its factorization.

205097650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058 (or 8053 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 205097650 is about 14321.2307432008. The cubic root of 205097650 is about 589.7304619628.

The spelling of 205097650 in words is "two hundred five million, ninety-seven thousand, six hundred fifty".