20066136889239 has 32 divisors (see below), whose sum is σ = 34016407488000. Its totient is φ = 11452190346432.

The previous prime is 20066136889231. The next prime is 20066136889247. The reversal of 20066136889239 is 93298863166002.

20066136889239 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 613 + 6 + 8 + 8 + 9 + 2 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (20066136889231) and next prime (20066136889247).

It is not a de Polignac number, because 20066136889239 - 2³ = 20066136889231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066136889231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65465169 + ... + 65770970.

It is an arithmetic number, because the mean of its divisors is an integer number (1063012734000).

Almost surely, 2^{20066136889239} is an apocalyptic number.

20066136889239 is a deficient number, since it is larger than the sum of its proper divisors (13950270598761).

20066136889239 is a wasteful number, since it uses less digits than its factorization.

20066136889239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131236964 (or 131236958 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 20066136889239 in words is "twenty trillion, sixty-six billion, one hundred thirty-six million, eight hundred eighty-nine thousand, two hundred thirty-nine".