202013101201986 has 24 divisors (see below), whose sum is σ = 437707376138604. Its totient is φ = 67335804472320.

The previous prime is 202013101201867. The next prime is 202013101201991. The reversal of 202013101201986 is 689102101310202.

202013101201986 is a `hidden beast` number, since 2 + 0 + 201 + 310 + 120 + 19 + 8 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 199557126407961 + 2455974794025 = 14126469^2 + 1567155^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202013101201986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157336891 + ... + 158615646.

Almost surely, 2^{202013101201986} is an apocalyptic number.

202013101201986 is an abundant number, since it is smaller than the sum of its proper divisors (235694274936618).

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

202013101201986 is a wasteful number, since it uses less digits than its factorization.

202013101201986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315988066 (or 315988063 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 202013101201986 in words is "two hundred two trillion, thirteen billion, one hundred one million, two hundred one thousand, nine hundred eighty-six".