202011866 has 8 divisors (see below), whose sum is σ = 346306080. Its totient is φ = 86576508.

The previous prime is 202011853. The next prime is 202011871. The reversal of 202011866 is 668110202.

202011866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7214696 + ... + 7214723.

It is an arithmetic number, because the mean of its divisors is an integer number (43288260).

Almost surely, 2^202011866 is an apocalyptic number.

202011866 is a deficient number, since it is larger than the sum of its proper divisors (144294214).

202011866 is a wasteful number, since it uses less digits than its factorization.

202011866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429428.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 202011866 is about 14213.0878418449. The cubic root of 202011866 is about 586.7579196179.

The spelling of 202011866 in words is "two hundred two million, eleven thousand, eight hundred sixty-six".