201868350020 has 24 divisors (see below), whose sum is σ = 424173120000. Its totient is φ = 80699800032.

The previous prime is 201868350007. The next prime is 201868350037. The reversal of 201868350020 is 20053868102.

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 7 ways as a sum of consecutive naturals, for example, 2936420 + ... + 3004379.

It is an arithmetic number, because the mean of its divisors is an integer number (17673880000).

Almost surely, 2^201868350020 is an apocalyptic number.

201868350020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201868350020 is an abundant number, since it is smaller than the sum of its proper divisors (222304769980).

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

201868350020 is a wasteful number, since it uses less digits than its factorization.

201868350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942507 (or 5942505 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 201868350020 in words is "two hundred one billion, eight hundred sixty-eight million, three hundred fifty thousand, twenty".