20110404143 has 2 divisors, whose sum is σ = 20110404144. Its totient is φ = 20110404142.

The previous prime is 20110404121. The next prime is 20110404157. The reversal of 20110404143 is 34140401102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20110404143 - 2⁶ = 20110404079 is a prime.

It is a super-3 number, since 3×20110404143³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110404163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055202071 + 10055202072.

It is an arithmetic number, because the mean of its divisors is an integer number (10055202072).

Almost surely, 2^20110404143 is an apocalyptic number.

20110404143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110404143 is an equidigital number, since it uses as much as digits as its factorization.

20110404143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20110404143 its reverse (34140401102), we get a palindrome (54250805245).

The spelling of 20110404143 in words is "twenty billion, one hundred ten million, four hundred four thousand, one hundred forty-three".