206560625250 has 128 divisors (see below), whose sum is σ = 614847946752. Its totient is φ = 45161054400.

The previous prime is 206560625239. The next prime is 206560625263. The reversal of 206560625250 is 52526065602.

It is a junction number, because it is equal to n+sod(n) for n = 206560625199 and 206560625208.

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, 734574 + ... + 976073.

It is an arithmetic number, because the mean of its divisors is an integer number (4803499584).

Almost surely, 2^206560625250 is an apocalyptic number.

206560625250 is an abundant number, since it is smaller than the sum of its proper divisors (408287321502).

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

206560625250 is a wasteful number, since it uses less digits than its factorization.

206560625250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710697 (or 1710687 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 206560625250 in words is "two hundred six billion, five hundred sixty million, six hundred twenty-five thousand, two hundred fifty".