20586988908288 has 108 divisors (see below), whose sum is σ = 64753488393048. Its totient is φ = 6238481479680.

The previous prime is 20586988908281. The next prime is 20586988908319. The reversal of 20586988908288 is 88280988968502.

20586988908288 is a `hidden beast` number, since 2 + 0 + 586 + 9 + 8 + 8 + 9 + 0 + 8 + 28 + 8 = 666.

It is a super-2 number, since 2×20586988908288² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20586988908281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406125795 + ... + 406176482.

Almost surely, 2^{20586988908288} is an apocalyptic number.

It is an amenable number.

20586988908288 is an abundant number, since it is smaller than the sum of its proper divisors (44166499484760).

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

20586988908288 is a wasteful number, since it uses less digits than its factorization.

20586988908288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812302310 (or 812302293 counting only the distinct ones).

The product of its (nonzero) digits is 2548039680, while the sum is 81.

The spelling of 20586988908288 in words is "twenty trillion, five hundred eighty-six billion, nine hundred eighty-eight million, nine hundred eight thousand, two hundred eighty-eight".