20144071 has 2 divisors, whose sum is σ = 20144072. Its totient is φ = 20144070.

The previous prime is 20144053. The next prime is 20144077. The reversal of 20144071 is 17044102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20144071 - 2⁵ = 20144039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072035 + 10072036.

It is an arithmetic number, because the mean of its divisors is an integer number (10072036).

Almost surely, 2^20144071 is an apocalyptic number.

20144071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144071 is an equidigital number, since it uses as much as digits as its factorization.

20144071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 20144071 is about 4488.2146784663. The cubic root of 20144071 is about 272.0919842802.

Adding to 20144071 its reverse (17044102), we get a palindrome (37188173).

The spelling of 20144071 in words is "twenty million, one hundred forty-four thousand, seventy-one".