202089838218 has 32 divisors (see below), whose sum is σ = 408450276864. Its totient is φ = 66651866112.

The previous prime is 202089838207. The next prime is 202089838243. The reversal of 202089838218 is 812838980202.

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, 2359846 + ... + 2443982.

It is an arithmetic number, because the mean of its divisors is an integer number (12764071152).

Almost surely, 2^202089838218 is an apocalyptic number.

202089838218 is an abundant number, since it is smaller than the sum of its proper divisors (206360438646).

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

202089838218 is a wasteful number, since it uses less digits than its factorization.

202089838218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88366.

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 202089838218 in words is "two hundred two billion, eighty-nine million, eight hundred thirty-eight thousand, two hundred eighteen".