205200146252 has 12 divisors (see below), whose sum is σ = 360047752680. Its totient is φ = 102329359776.

The previous prime is 205200146251. The next prime is 205200146287. The reversal of 205200146252 is 252641002502.

It is not an unprimeable number, because it can be changed into a prime (205200146251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67676633 + ... + 67679664.

It is an arithmetic number, because the mean of its divisors is an integer number (30003979390).

Almost surely, 2^205200146252 is an apocalyptic number.

It is an amenable number.

205200146252 is a deficient number, since it is larger than the sum of its proper divisors (154847606428).

205200146252 is a wasteful number, since it uses less digits than its factorization.

205200146252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135356680 (or 135356678 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 205200146252 its reverse (252641002502), we get a palindrome (457841148754).

The spelling of 205200146252 in words is "two hundred five billion, two hundred million, one hundred forty-six thousand, two hundred fifty-two".