205125022 has 8 divisors (see below), whose sum is σ = 309753000. Its totient is φ = 101874024.

The previous prime is 205125013. The next prime is 205125059. The reversal of 205125022 is 220521502.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343872 + ... + 344467.

It is an arithmetic number, because the mean of its divisors is an integer number (38719125).

Almost surely, 2^205125022 is an apocalyptic number.

205125022 is a deficient number, since it is larger than the sum of its proper divisors (104627978).

205125022 is a wasteful number, since it uses less digits than its factorization.

205125022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688490.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 205125022 is about 14322.1863554417. The cubic root of 205125022 is about 589.7566956197.

Adding to 205125022 its reverse (220521502), we get a palindrome (425646524).

The spelling of 205125022 in words is "two hundred five million, one hundred twenty-five thousand, twenty-two".