20113010403 has 16 divisors (see below), whose sum is σ = 28585418400. Its totient is φ = 12535225856.

The previous prime is 20113010383. The next prime is 20113010413. The reversal of 20113010403 is 30401031102.

It is a cyclic number.

It is not a de Polignac number, because 20113010403 - 2⁵ = 20113010371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113010413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315800 + ... + 1330997.

It is an arithmetic number, because the mean of its divisors is an integer number (1786588650).

Almost surely, 2^20113010403 is an apocalyptic number.

20113010403 is a deficient number, since it is larger than the sum of its proper divisors (8472407997).

20113010403 is a wasteful number, since it uses less digits than its factorization.

20113010403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646966.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20113010403 its reverse (30401031102), we get a palindrome (50514041505).

The spelling of 20113010403 in words is "twenty billion, one hundred thirteen million, ten thousand, four hundred three".