205352223250 has 128 divisors (see below), whose sum is σ = 413785532160. Its totient is φ = 76072089600.

The previous prime is 205352223247. The next prime is 205352223287. The reversal of 205352223250 is 52322253502.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77285922 + ... + 77288578.

It is an arithmetic number, because the mean of its divisors is an integer number (3232699470).

Almost surely, 2^205352223250 is an apocalyptic number.

205352223250 is an abundant number, since it is smaller than the sum of its proper divisors (208433308910).

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

205352223250 is a wasteful number, since it uses less digits than its factorization.

205352223250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 205352223250 its reverse (52322253502), we get a palindrome (257674476752).

The spelling of 205352223250 in words is "two hundred five billion, three hundred fifty-two million, two hundred twenty-three thousand, two hundred fifty".