205042025244 has 96 divisors (see below), whose sum is σ = 549594984960. Its totient is φ = 58282278912.

The previous prime is 205042025239. The next prime is 205042025269. The reversal of 205042025244 is 442520240502.

It is a super-2 number, since 2×205042025244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18538564 + ... + 18549620.

It is an arithmetic number, because the mean of its divisors is an integer number (5724947760).

Almost surely, 2^205042025244 is an apocalyptic number.

It is an amenable number.

205042025244 is an abundant number, since it is smaller than the sum of its proper divisors (344552959716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205042025244 is a wasteful number, since it uses less digits than its factorization.

205042025244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12187 (or 12185 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 205042025244 its reverse (442520240502), we get a palindrome (647562265746).

The spelling of 205042025244 in words is "two hundred five billion, forty-two million, twenty-five thousand, two hundred forty-four".