20377018023717 has 32 divisors (see below), whose sum is σ = 28464167079936. Its totient is φ = 12942034459200.

The previous prime is 20377018023683. The next prime is 20377018023757. The reversal of 20377018023717 is 71732081077302.

It is not a de Polignac number, because 20377018023717 - 2¹⁰ = 20377018022693 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377018023757) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 60060318 + ... + 60398640.

It is an arithmetic number, because the mean of its divisors is an integer number (889505221248).

Almost surely, 2^{20377018023717} is an apocalyptic number.

It is an amenable number.

20377018023717 is a deficient number, since it is larger than the sum of its proper divisors (8087149056219).

20377018023717 is a wasteful number, since it uses less digits than its factorization.

20377018023717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341841.

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 20377018023717 in words is "twenty trillion, three hundred seventy-seven billion, eighteen million, twenty-three thousand, seven hundred seventeen".