205304042 has 8 divisors (see below), whose sum is σ = 309845856. Its totient is φ = 102022092.

The previous prime is 205304039. The next prime is 205304093. The reversal of 205304042 is 240403502.

205304042 is digitally balanced in base 2, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314558 + ... + 315209.

It is an arithmetic number, because the mean of its divisors is an integer number (38730732).

Almost surely, 2^205304042 is an apocalyptic number.

205304042 is a deficient number, since it is larger than the sum of its proper divisors (104541814).

205304042 is a wasteful number, since it uses less digits than its factorization.

205304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629932.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 205304042 is about 14328.4347365649. The cubic root of 205304042 is about 589.9282130412.

Adding to 205304042 its reverse (240403502), we get a palindrome (445707544).

The spelling of 205304042 in words is "two hundred five million, three hundred four thousand, forty-two".