20836867841676 has 36 divisors (see below), whose sum is σ = 54621748213032. Its totient is φ = 6945622613568.

The previous prime is 20836867841659. The next prime is 20836867841707. The reversal of 20836867841676 is 67614876863802.

It is a happy number.

20836867841676 is a `hidden beast` number, since 2 + 0 + 83 + 6 + 8 + 67 + 8 + 416 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20836867841676² (a number of 27 digits) contains 22 as substring.

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, 10718552445 + ... + 10718554388.

Almost surely, 2^{20836867841676} is an apocalyptic number.

It is an amenable number.

20836867841676 is an abundant number, since it is smaller than the sum of its proper divisors (33784880371356).

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

20836867841676 is a wasteful number, since it uses less digits than its factorization.

20836867841676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21437106852 (or 21437106838 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 72.

The spelling of 20836867841676 in words is "twenty trillion, eight hundred thirty-six billion, eight hundred sixty-seven million, eight hundred forty-one thousand, six hundred seventy-six".