205858715330 has 16 divisors (see below), whose sum is σ = 371405430144. Its totient is φ = 82152432240.

The previous prime is 205858715329. The next prime is 205858715341. The reversal of 205858715330 is 33517858502.

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, 23877212 + ... + 23885831.

It is an arithmetic number, because the mean of its divisors is an integer number (23212839384).

Almost surely, 2^205858715330 is an apocalyptic number.

205858715330 is a deficient number, since it is larger than the sum of its proper divisors (165546714814).

205858715330 is a wasteful number, since it uses less digits than its factorization.

205858715330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47763481.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 205858715330 in words is "two hundred five billion, eight hundred fifty-eight million, seven hundred fifteen thousand, three hundred thirty".