205507672652 has 6 divisors (see below), whose sum is σ = 359638427148. Its totient is φ = 102753836324.

The previous prime is 205507672633. The next prime is 205507672679. The reversal of 205507672652 is 256276705502.

It is a junction number, because it is equal to n+sod(n) for n = 205507672597 and 205507672606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25688459078 + ... + 25688459085.

It is an arithmetic number, because the mean of its divisors is an integer number (59939737858).

Almost surely, 2^205507672652 is an apocalyptic number.

It is an amenable number.

205507672652 is a deficient number, since it is larger than the sum of its proper divisors (154130754496).

205507672652 is a wasteful number, since it uses less digits than its factorization.

205507672652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51376918167 (or 51376918165 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 205507672652 in words is "two hundred five billion, five hundred seven million, six hundred seventy-two thousand, six hundred fifty-two".