20424626404267 has 2 divisors, whose sum is σ = 20424626404268. Its totient is φ = 20424626404266.

The previous prime is 20424626404243. The next prime is 20424626404307. The reversal of 20424626404267 is 76240462642402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20424626404267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20424626404267.

It is not a weakly prime, because it can be changed into another prime (20424626464267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212313202133 + 10212313202134.

It is an arithmetic number, because the mean of its divisors is an integer number (10212313202134).

Almost surely, 2^{20424626404267} is an apocalyptic number.

20424626404267 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424626404267 is an equidigital number, since it uses as much as digits as its factorization.

20424626404267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 49.

The spelling of 20424626404267 in words is "twenty trillion, four hundred twenty-four billion, six hundred twenty-six million, four hundred four thousand, two hundred sixty-seven".