20136536461364 has 24 divisors (see below), whose sum is σ = 36200597330688. Its totient is φ = 9793647822240.

The previous prime is 20136536461333. The next prime is 20136536461369. The reversal of 20136536461364 is 46316463563102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136536461369) 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 7 ways as a sum of consecutive naturals, for example, 16815404 + ... + 17973059.

It is an arithmetic number, because the mean of its divisors is an integer number (1508358222112).

Almost surely, 2^{20136536461364} is an apocalyptic number.

It is an amenable number.

20136536461364 is a deficient number, since it is larger than the sum of its proper divisors (16064060869324).

20136536461364 is a wasteful number, since it uses less digits than its factorization.

20136536461364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34792415 (or 34792413 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 20136536461364 in words is "twenty trillion, one hundred thirty-six billion, five hundred thirty-six million, four hundred sixty-one thousand, three hundred sixty-four".