205012606 has 8 divisors (see below), whose sum is σ = 307635120. Its totient is φ = 102467568.

The previous prime is 205012601. The next prime is 205012607. The reversal of 205012606 is 606210502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×205012606² = 84060337237822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205012601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12226 + ... + 23653.

It is an arithmetic number, because the mean of its divisors is an integer number (38454390).

Almost surely, 2^205012606 is an apocalyptic number.

205012606 is a deficient number, since it is larger than the sum of its proper divisors (102622514).

205012606 is a wasteful number, since it uses less digits than its factorization.

205012606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38738.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 205012606 is about 14318.2612771244. The cubic root of 205012606 is about 589.6489398667.

The spelling of 205012606 in words is "two hundred five million, twelve thousand, six hundred six".