20827130031018 has 16 divisors (see below), whose sum is σ = 46282511180160. Its totient is φ = 6942376676988.

The previous prime is 20827130030999. The next prime is 20827130031047. The reversal of 20827130031018 is 81013003172802.

20827130031018 is a `hidden beast` number, since 2 + 0 + 8 + 27 + 1 + 300 + 310 + 18 = 666.

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, 192843796530 + ... + 192843796637.

It is an arithmetic number, because the mean of its divisors is an integer number (2892656948760).

Almost surely, 2^{20827130031018} is an apocalyptic number.

20827130031018 is an abundant number, since it is smaller than the sum of its proper divisors (25455381149142).

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

20827130031018 is a wasteful number, since it uses less digits than its factorization.

20827130031018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385687593178 (or 385687593172 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 20827130031018 in words is "twenty trillion, eight hundred twenty-seven billion, one hundred thirty million, thirty-one thousand, eighteen".