20345030341303 has 2 divisors, whose sum is σ = 20345030341304. Its totient is φ = 20345030341302.

The previous prime is 20345030341277. The next prime is 20345030341327. The reversal of 20345030341303 is 30314303054302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20345030341303 - 2²⁵ = 20344996786871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20345030341393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172515170651 + 10172515170652.

It is an arithmetic number, because the mean of its divisors is an integer number (10172515170652).

Almost surely, 2^{20345030341303} is an apocalyptic number.

20345030341303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345030341303 is an equidigital number, since it uses as much as digits as its factorization.

20345030341303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 20345030341303 its reverse (30314303054302), we get a palindrome (50659333395605).

The spelling of 20345030341303 in words is "twenty trillion, three hundred forty-five billion, thirty million, three hundred forty-one thousand, three hundred three".