205930612 has 24 divisors (see below), whose sum is σ = 372591296. Its totient is φ = 99525888.

The previous prime is 205930583. The next prime is 205930633. The reversal of 205930612 is 216039502.

It is a congruent number.

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, 10513 + ... + 22855.

Almost surely, 2^205930612 is an apocalyptic number.

It is an amenable number.

205930612 is a deficient number, since it is larger than the sum of its proper divisors (166660684).

205930612 is a wasteful number, since it uses less digits than its factorization.

205930612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12487 (or 12485 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 205930612 is about 14350.2826453001. The cubic root of 205930612 is about 590.5277400088.

The spelling of 205930612 in words is "two hundred five million, nine hundred thirty thousand, six hundred twelve".