20424223122001 has 2 divisors, whose sum is σ = 20424223122002. Its totient is φ = 20424223122000.

The previous prime is 20424223121957. The next prime is 20424223122059. The reversal of 20424223122001 is 10022132242402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16652936801601 + 3771286320400 = 4080801^2 + 1941980^2 .

It is a cyclic number.

It is not a de Polignac number, because 20424223122001 - 2²³ = 20424214733393 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424223122071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212111561000 + 10212111561001.

It is an arithmetic number, because the mean of its divisors is an integer number (10212111561001).

Almost surely, 2^{20424223122001} is an apocalyptic number.

It is an amenable number.

20424223122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424223122001 is an equidigital number, since it uses as much as digits as its factorization.

20424223122001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20424223122001 its reverse (10022132242402), we get a palindrome (30446355364403).

The spelling of 20424223122001 in words is "twenty trillion, four hundred twenty-four billion, two hundred twenty-three million, one hundred twenty-two thousand, one".