20113568603 has 2 divisors, whose sum is σ = 20113568604. Its totient is φ = 20113568602.

The previous prime is 20113568477. The next prime is 20113568621. The reversal of 20113568603 is 30686531102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20113568603 - 2¹⁴ = 20113552219 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113568633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056784301 + 10056784302.

It is an arithmetic number, because the mean of its divisors is an integer number (10056784302).

Almost surely, 2^20113568603 is an apocalyptic number.

20113568603 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113568603 is an equidigital number, since it uses as much as digits as its factorization.

20113568603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 20113568603 in words is "twenty billion, one hundred thirteen million, five hundred sixty-eight thousand, six hundred three".