20014517430143 has 4 divisors (see below), whose sum is σ = 20102687110680. Its totient is φ = 19926347749608.

The previous prime is 20014517430119. The next prime is 20014517430169. The reversal of 20014517430143 is 34103471541002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20014517430143 - 2³⁰ = 20013443688319 is a prime.

It is a super-2 number, since 2×20014517430143² (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 (20014517430443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44084839928 + ... + 44084840381.

It is an arithmetic number, because the mean of its divisors is an integer number (5025671777670).

Almost surely, 2^{20014517430143} is an apocalyptic number.

20014517430143 is a deficient number, since it is larger than the sum of its proper divisors (88169680537).

20014517430143 is an equidigital number, since it uses as much as digits as its factorization.

20014517430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88169680536.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 20014517430143 its reverse (34103471541002), we get a palindrome (54117988971145).

The spelling of 20014517430143 in words is "twenty trillion, fourteen billion, five hundred seventeen million, four hundred thirty thousand, one hundred forty-three".