20144402141 has 2 divisors, whose sum is σ = 20144402142. Its totient is φ = 20144402140.

The previous prime is 20144402123. The next prime is 20144402183. The reversal of 20144402141 is 14120444102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16774135225 + 3370266916 = 129515^2 + 58054^2 .

It is a cyclic number.

It is not a de Polignac number, because 20144402141 - 2²² = 20140207837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144402101) 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, 10072201070 + 10072201071.

It is an arithmetic number, because the mean of its divisors is an integer number (10072201071).

Almost surely, 2^20144402141 is an apocalyptic number.

It is an amenable number.

20144402141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144402141 is an equidigital number, since it uses as much as digits as its factorization.

20144402141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20144402141 its reverse (14120444102), we get a palindrome (34264846243).

The spelling of 20144402141 in words is "twenty billion, one hundred forty-four million, four hundred two thousand, one hundred forty-one".