20424226049 has 2 divisors, whose sum is σ = 20424226050. Its totient is φ = 20424226048.

The previous prime is 20424226001. The next prime is 20424226061. The reversal of 20424226049 is 94062242402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17629200625 + 2795025424 = 132775^2 + 52868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20424226049 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424226099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212113024 + 10212113025.

It is an arithmetic number, because the mean of its divisors is an integer number (10212113025).

Almost surely, 2^20424226049 is an apocalyptic number.

It is an amenable number.

20424226049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424226049 is an equidigital number, since it uses as much as digits as its factorization.

20424226049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 20424226049 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-six thousand, forty-nine".