20042422450403 has 2 divisors, whose sum is σ = 20042422450404. Its totient is φ = 20042422450402.

The previous prime is 20042422450357. The next prime is 20042422450417. The reversal of 20042422450403 is 30405422424002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20042422450403 - 2²⁶ = 20042355341539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20042422450403.

It is not a weakly prime, because it can be changed into another prime (20042422450423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021211225201 + 10021211225202.

It is an arithmetic number, because the mean of its divisors is an integer number (10021211225202).

Almost surely, 2^{20042422450403} is an apocalyptic number.

20042422450403 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042422450403 is an equidigital number, since it uses as much as digits as its factorization.

20042422450403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 20042422450403 its reverse (30405422424002), we get a palindrome (50447844874405).

The spelling of 20042422450403 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred fifty thousand, four hundred three".