206820880876 has 12 divisors (see below), whose sum is σ = 377672913072. Its totient is φ = 98914334288.

The previous prime is 206820880859. The next prime is 206820880901. The reversal of 206820880876 is 678088028602.

206820880876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124026435 + ... + 1124026618.

It is an arithmetic number, because the mean of its divisors is an integer number (31472742756).

Almost surely, 2^206820880876 is an apocalyptic number.

It is an amenable number.

206820880876 is a deficient number, since it is larger than the sum of its proper divisors (170852032196).

206820880876 is a wasteful number, since it uses less digits than its factorization.

206820880876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248053080 (or 2248053078 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 206820880876 in words is "two hundred six billion, eight hundred twenty million, eight hundred eighty thousand, eight hundred seventy-six".