20136536526605 has 8 divisors (see below), whose sum is σ = 24196365833472. Its totient is φ = 16087547886928.

The previous prime is 20136536526571. The next prime is 20136536526607. The reversal of 20136536526605 is 50662563563102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20136536526605 - 2⁸ = 20136536526349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136536526607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710162709 + ... + 2710170138.

It is an arithmetic number, because the mean of its divisors is an integer number (3024545729184).

Almost surely, 2^{20136536526605} is an apocalyptic number.

It is an amenable number.

20136536526605 is a deficient number, since it is larger than the sum of its proper divisors (4059829306867).

20136536526605 is an equidigital number, since it uses as much as digits as its factorization.

20136536526605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420333595.

The product of its (nonzero) digits is 5832000, while the sum is 50.

The spelling of 20136536526605 in words is "twenty trillion, one hundred thirty-six billion, five hundred thirty-six million, five hundred twenty-six thousand, six hundred five".