20110043 has 2 divisors, whose sum is σ = 20110044. Its totient is φ = 20110042.

The previous prime is 20109989. The next prime is 20110087. The reversal of 20110043 is 34001102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20110043 - 2⁸ = 20109787 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055021 + 10055022.

It is an arithmetic number, because the mean of its divisors is an integer number (10055022).

Almost surely, 2^20110043 is an apocalyptic number.

20110043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110043 is an equidigital number, since it uses as much as digits as its factorization.

20110043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20110043 is about 4484.4222593329. The cubic root of 20110043 is about 271.9386891439.

Adding to 20110043 its reverse (34001102), we get a palindrome (54111145).

The spelling of 20110043 in words is "twenty million, one hundred ten thousand, forty-three".