20424421300103 has 2 divisors, whose sum is σ = 20424421300104. Its totient is φ = 20424421300102.

The previous prime is 20424421300097. The next prime is 20424421300133. The reversal of 20424421300103 is 30100312442402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20424421300103 - 2⁸ = 20424421299847 is a prime.

It is a super-2 number, since 2×20424421300103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424421300133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212210650051 + 10212210650052.

It is an arithmetic number, because the mean of its divisors is an integer number (10212210650052).

Almost surely, 2^{20424421300103} is an apocalyptic number.

20424421300103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424421300103 is an equidigital number, since it uses as much as digits as its factorization.

20424421300103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20424421300103 its reverse (30100312442402), we get a palindrome (50524733742505).

The spelling of 20424421300103 in words is "twenty trillion, four hundred twenty-four billion, four hundred twenty-one million, three hundred thousand, one hundred three".