20436515054101 has 16 divisors (see below), whose sum is σ = 22608923097600. Its totient is φ = 18385899138288.

The previous prime is 20436515054089. The next prime is 20436515054119. The reversal of 20436515054101 is 10145051563402.

It is not a de Polignac number, because 20436515054101 - 2¹⁹ = 20436514529813 is a prime.

It is a super-2 number, since 2×20436515054101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20436515054161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168160411 + ... + 168281896.

It is an arithmetic number, because the mean of its divisors is an integer number (1413057693600).

Almost surely, 2^{20436515054101} is an apocalyptic number.

It is an amenable number.

20436515054101 is a deficient number, since it is larger than the sum of its proper divisors (2172408043499).

20436515054101 is a wasteful number, since it uses less digits than its factorization.

20436515054101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336442488.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 20436515054101 in words is "twenty trillion, four hundred thirty-six billion, five hundred fifteen million, fifty-four thousand, one hundred one".