20136672745045 has 8 divisors (see below), whose sum is σ = 24290520422400. Its totient is φ = 16024996110480.

The previous prime is 20136672744971. The next prime is 20136672745051. The reversal of 20136672745045 is 54054727663102.

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

It is not a de Polignac number, because 20136672745045 - 2⁹ = 20136672744533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20136672744983 and 20136672745001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10542759645 + ... + 10542761554.

It is an arithmetic number, because the mean of its divisors is an integer number (3036315052800).

Almost surely, 2^{20136672745045} is an apocalyptic number.

It is an amenable number.

20136672745045 is a deficient number, since it is larger than the sum of its proper divisors (4153847677355).

20136672745045 is a wasteful number, since it uses less digits than its factorization.

20136672745045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21085521395.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 20136672745045 in words is "twenty trillion, one hundred thirty-six billion, six hundred seventy-two million, seven hundred forty-five thousand, forty-five".