206289271236 has 24 divisors (see below), whose sum is σ = 485601296544. Its totient is φ = 68154567040.

The previous prime is 206289271229. The next prime is 206289271369. The reversal of 206289271236 is 632172982602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76064010 + ... + 76066721.

It is an arithmetic number, because the mean of its divisors is an integer number (20233387356).

Almost surely, 2^206289271236 is an apocalyptic number.

It is an amenable number.

206289271236 is an abundant number, since it is smaller than the sum of its proper divisors (279312025308).

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

206289271236 is a wasteful number, since it uses less digits than its factorization.

206289271236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152130851 (or 152130849 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 206289271236 in words is "two hundred six billion, two hundred eighty-nine million, two hundred seventy-one thousand, two hundred thirty-six".