20144130443 has 2 divisors, whose sum is σ = 20144130444. Its totient is φ = 20144130442.

The previous prime is 20144130439. The next prime is 20144130463. The reversal of 20144130443 is 34403144102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20144130443 - 2² = 20144130439 is a prime.

It is not a weakly prime, because it can be changed into another prime (20144130463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072065221 + 10072065222.

It is an arithmetic number, because the mean of its divisors is an integer number (10072065222).

Almost surely, 2^20144130443 is an apocalyptic number.

20144130443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144130443 is an equidigital number, since it uses as much as digits as its factorization.

20144130443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20144130443 its reverse (34403144102), we get a palindrome (54547274545).

The spelling of 20144130443 in words is "twenty billion, one hundred forty-four million, one hundred thirty thousand, four hundred forty-three".