20424243034141 has 2 divisors, whose sum is σ = 20424243034142. Its totient is φ = 20424243034140.

The previous prime is 20424243034109. The next prime is 20424243034177. The reversal of 20424243034141 is 14143034242402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17783468532025 + 2640774502116 = 4217045^2 + 1625046^2 .

It is a cyclic number.

It is not a de Polignac number, because 20424243034141 - 2⁵ = 20424243034109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20424243034097 and 20424243034106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424243334141) 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, 10212121517070 + 10212121517071.

It is an arithmetic number, because the mean of its divisors is an integer number (10212121517071).

Almost surely, 2^{20424243034141} is an apocalyptic number.

It is an amenable number.

20424243034141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424243034141 is an equidigital number, since it uses as much as digits as its factorization.

20424243034141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 20424243034141 its reverse (14143034242402), we get a palindrome (34567277276543).

The spelling of 20424243034141 in words is "twenty trillion, four hundred twenty-four billion, two hundred forty-three million, thirty-four thousand, one hundred forty-one".