205680510135710 has 32 divisors (see below), whose sum is σ = 387605647729440. Its totient is φ = 78478180509568.

The previous prime is 205680510135703. The next prime is 205680510135761. The reversal of 205680510135710 is 17531015086502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4272524957 + ... + 4272573096.

It is an arithmetic number, because the mean of its divisors is an integer number (12112676491545).

Almost surely, 2^{205680510135710} is an apocalyptic number.

205680510135710 is a deficient number, since it is larger than the sum of its proper divisors (181925137593730).

205680510135710 is a wasteful number, since it uses less digits than its factorization.

205680510135710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545098172.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 205680510135710 in words is "two hundred five trillion, six hundred eighty billion, five hundred ten million, one hundred thirty-five thousand, seven hundred ten".