205531054252 has 24 divisors (see below), whose sum is σ = 378966156800. Its totient is φ = 97265190096.

The previous prime is 205531054247. The next prime is 205531054259. The reversal of 205531054252 is 252450135502.

205531054252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205531054259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191252 + ... + 1352827.

Almost surely, 2^205531054252 is an apocalyptic number.

It is an amenable number.

205531054252 is a deficient number, since it is larger than the sum of its proper divisors (173435102548).

205531054252 is a wasteful number, since it uses less digits than its factorization.

205531054252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545165 (or 2545163 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 205531054252 its reverse (252450135502), we get a palindrome (457981189754).

The spelling of 205531054252 in words is "two hundred five billion, five hundred thirty-one million, fifty-four thousand, two hundred fifty-two".