21802200733868 has 24 divisors (see below), whose sum is σ = 38245789021440. Its totient is φ = 10874838972240.

The previous prime is 21802200733837. The next prime is 21802200733919. The reversal of 21802200733868 is 86833700220812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12608873 + ... + 14233343.

It is an arithmetic number, because the mean of its divisors is an integer number (1593574542560).

Almost surely, 2^{21802200733868} is an apocalyptic number.

It is an amenable number.

21802200733868 is a deficient number, since it is larger than the sum of its proper divisors (16443588287572).

21802200733868 is a wasteful number, since it uses less digits than its factorization.

21802200733868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632557 (or 1632555 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 21802200733868 in words is "twenty-one trillion, eight hundred two billion, two hundred million, seven hundred thirty-three thousand, eight hundred sixty-eight".