20403130113 has 48 divisors (see below), whose sum is σ = 30677826816. Its totient is φ = 13056215040.

The previous prime is 20403130103. The next prime is 20403130127. The reversal of 20403130113 is 31103130402.

20403130113 is a `hidden beast` number, since 20 + 403 + 130 + 113 = 666.

It is not a de Polignac number, because 20403130113 - 2⁵ = 20403130081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20403130103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9654945 + ... + 9657057.

It is an arithmetic number, because the mean of its divisors is an integer number (639121392).

Almost surely, 2^20403130113 is an apocalyptic number.

It is an amenable number.

20403130113 is a deficient number, since it is larger than the sum of its proper divisors (10274696703).

20403130113 is a wasteful number, since it uses less digits than its factorization.

20403130113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 2531 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20403130113 its reverse (31103130402), we get a palindrome (51506260515).

The spelling of 20403130113 in words is "twenty billion, four hundred three million, one hundred thirty thousand, one hundred thirteen".