20760270561217 has 24 divisors (see below), whose sum is σ = 23207255013600. Its totient is φ = 18552013381440.

The previous prime is 20760270561197. The next prime is 20760270561253. The reversal of 20760270561217 is 71216507206702.

It is not a de Polignac number, because 20760270561217 - 2⁷ = 20760270561089 is a prime.

It is a super-4 number, since 4×20760270561217⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20760270564217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138614509 + ... + 138764197.

It is an arithmetic number, because the mean of its divisors is an integer number (966968958900).

Almost surely, 2^{20760270561217} is an apocalyptic number.

It is an amenable number.

20760270561217 is a deficient number, since it is larger than the sum of its proper divisors (2446984452383).

20760270561217 is a wasteful number, since it uses less digits than its factorization.

20760270561217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169197 (or 169186 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

Adding to 20760270561217 its reverse (71216507206702), we get a palindrome (91976777767919).

The spelling of 20760270561217 in words is "twenty trillion, seven hundred sixty billion, two hundred seventy million, five hundred sixty-one thousand, two hundred seventeen".