20117563343126 has 16 divisors (see below), whose sum is σ = 30233375864496. Its totient is φ = 10039789034496.

The previous prime is 20117563343123. The next prime is 20117563343167. The reversal of 20117563343126 is 62134336571102.

It is a super-2 number, since 2×20117563343126² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117563343123) 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, 2129816 + ... + 6691131.

It is an arithmetic number, because the mean of its divisors is an integer number (1889585991531).

Almost surely, 2^{20117563343126} is an apocalyptic number.

20117563343126 is a deficient number, since it is larger than the sum of its proper divisors (10115812521370).

20117563343126 is a wasteful number, since it uses less digits than its factorization.

20117563343126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823103.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 20117563343126 in words is "twenty trillion, one hundred seventeen billion, five hundred sixty-three million, three hundred forty-three thousand, one hundred twenty-six".