202210939868 has 12 divisors (see below), whose sum is σ = 404421879792. Its totient is φ = 86661831360.

The previous prime is 202210939867. The next prime is 202210939919. The reversal of 202210939868 is 868939012202.

202210939868 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210939867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3610909613 + ... + 3610909668.

It is an arithmetic number, because the mean of its divisors is an integer number (33701823316).

Almost surely, 2^202210939868 is an apocalyptic number.

202210939868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

202210939868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202210939868 is a wasteful number, since it uses less digits than its factorization.

202210939868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221819292 (or 7221819290 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 202210939868 in words is "two hundred two billion, two hundred ten million, nine hundred thirty-nine thousand, eight hundred sixty-eight".