20603225023 has 2 divisors, whose sum is σ = 20603225024. Its totient is φ = 20603225022.

The previous prime is 20603225009. The next prime is 20603225029. The reversal of 20603225023 is 32052230602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20603225023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20603225029) 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, 10301612511 + 10301612512.

It is an arithmetic number, because the mean of its divisors is an integer number (10301612512).

Almost surely, 2^20603225023 is an apocalyptic number.

20603225023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20603225023 is an equidigital number, since it uses as much as digits as its factorization.

20603225023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20603225023 its reverse (32052230602), we get a palindrome (52655455625).

The spelling of 20603225023 in words is "twenty billion, six hundred three million, two hundred twenty-five thousand, twenty-three".