205030916 has 24 divisors (see below), whose sum is σ = 364113120. Its totient is φ = 101005632.

The previous prime is 205030879. The next prime is 205030927. The reversal of 205030916 is 619030502.

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, 181040 + ... + 182168.

It is an arithmetic number, because the mean of its divisors is an integer number (15171380).

Almost surely, 2^205030916 is an apocalyptic number.

It is an amenable number.

205030916 is a deficient number, since it is larger than the sum of its proper divisors (159082204).

205030916 is a wasteful number, since it uses less digits than its factorization.

205030916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 205030916 is about 14318.9006561258. The cubic root of 205030916 is about 589.6664935038. Note that the first 3 decimals are identical.

The spelling of 205030916 in words is "two hundred five million, thirty thousand, nine hundred sixteen".