205252300630 has 16 divisors (see below), whose sum is σ = 397873690704. Its totient is φ = 75785464800.

The previous prime is 205252300619. The next prime is 205252300661. The reversal of 205252300630 is 36003252502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789431796 + ... + 789432055.

It is an arithmetic number, because the mean of its divisors is an integer number (24867105669).

Almost surely, 2^205252300630 is an apocalyptic number.

205252300630 is a deficient number, since it is larger than the sum of its proper divisors (192621390074).

205252300630 is a wasteful number, since it uses less digits than its factorization.

205252300630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578863871.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 205252300630 in words is "two hundred five billion, two hundred fifty-two million, three hundred thousand, six hundred thirty".