20114543 has 4 divisors (see below), whose sum is σ = 20542560. Its totient is φ = 19686528.

The previous prime is 20114531. The next prime is 20114557. The reversal of 20114543 is 34541102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34541102 = 2 ⋅17270551.

It is a cyclic number.

It is not a de Polignac number, because 20114543 - 2⁴ = 20114527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213938 + ... + 214031.

It is an arithmetic number, because the mean of its divisors is an integer number (5135640).

Almost surely, 2^20114543 is an apocalyptic number.

20114543 is a deficient number, since it is larger than the sum of its proper divisors (428017).

20114543 is an equidigital number, since it uses as much as digits as its factorization.

20114543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428016.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20114543 is about 4484.9239681404. The cubic root of 20114543 is about 271.9589714283.

Adding to 20114543 its reverse (34541102), we get a palindrome (54655645).

The spelling of 20114543 in words is "twenty million, one hundred fourteen thousand, five hundred forty-three".