205240006 has 8 divisors (see below), whose sum is σ = 309005280. Its totient is φ = 102238248.

The previous prime is 205239967. The next prime is 205240037. The reversal of 205240006 is 600042502.

205240006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190206 + ... + 191281.

It is an arithmetic number, because the mean of its divisors is an integer number (38625660).

Almost surely, 2^205240006 is an apocalyptic number.

205240006 is a deficient number, since it is larger than the sum of its proper divisors (103765274).

205240006 is a wasteful number, since it uses less digits than its factorization.

205240006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381758.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 205240006 is about 14326.1999846435. The cubic root of 205240006 is about 589.8668721944.

Adding to 205240006 its reverse (600042502), we get a palindrome (805282508).

The spelling of 205240006 in words is "two hundred five million, two hundred forty thousand, six".