205682520336428 has 6 divisors (see below), whose sum is σ = 359944410588756. Its totient is φ = 102841260168212.

The previous prime is 205682520336421. The next prime is 205682520336521. The reversal of 205682520336428 is 824633025286502.

It is not an unprimeable number, because it can be changed into a prime (205682520336421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25710315042050 + ... + 25710315042057.

It is an arithmetic number, because the mean of its divisors is an integer number (59990735098126).

Almost surely, 2^{205682520336428} is an apocalyptic number.

It is an amenable number.

205682520336428 is a deficient number, since it is larger than the sum of its proper divisors (154261890252328).

205682520336428 is a wasteful number, since it uses less digits than its factorization.

205682520336428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51420630084111 (or 51420630084109 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 56.

The spelling of 205682520336428 in words is "two hundred five trillion, six hundred eighty-two billion, five hundred twenty million, three hundred thirty-six thousand, four hundred twenty-eight".