205026434 has 8 divisors (see below), whose sum is σ = 311245200. Its totient is φ = 101278036.

The previous prime is 205026427. The next prime is 205026463. The reversal of 205026434 is 434620502.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617384 + ... + 617715.

It is an arithmetic number, because the mean of its divisors is an integer number (38905650).

Almost surely, 2^205026434 is an apocalyptic number.

205026434 is a deficient number, since it is larger than the sum of its proper divisors (106218766).

205026434 is a wasteful number, since it uses less digits than its factorization.

205026434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235184.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 205026434 is about 14318.7441488421. The cubic root of 205026434 is about 589.6621967462.

Adding to 205026434 its reverse (434620502), we get a palindrome (639646936).

The spelling of 205026434 in words is "two hundred five million, twenty-six thousand, four hundred thirty-four".