205242662 has 8 divisors (see below), whose sum is σ = 321249456. Its totient is φ = 98159512.

The previous prime is 205242629. The next prime is 205242671. The reversal of 205242662 is 266242502.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230853 + ... + 2230944.

It is an arithmetic number, because the mean of its divisors is an integer number (40156182).

Almost surely, 2^205242662 is an apocalyptic number.

205242662 is a deficient number, since it is larger than the sum of its proper divisors (116006794).

205242662 is a wasteful number, since it uses less digits than its factorization.

205242662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461822.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 205242662 is about 14326.2926816396. The cubic root of 205242662 is about 589.8694166620.

The spelling of 205242662 in words is "two hundred five million, two hundred forty-two thousand, six hundred sixty-two".