20345196103 has 2 divisors, whose sum is σ = 20345196104. Its totient is φ = 20345196102.

The previous prime is 20345196071. The next prime is 20345196121. The reversal of 20345196103 is 30169154302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20345196103 - 2⁵ = 20345196071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20345196133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172598051 + 10172598052.

It is an arithmetic number, because the mean of its divisors is an integer number (10172598052).

Almost surely, 2^20345196103 is an apocalyptic number.

20345196103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345196103 is an equidigital number, since it uses as much as digits as its factorization.

20345196103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 20345196103 in words is "twenty billion, three hundred forty-five million, one hundred ninety-six thousand, one hundred three".