20130113033 has 16 divisors (see below), whose sum is σ = 21139313664. Its totient is φ = 19149255360.

The previous prime is 20130112993. The next prime is 20130113077. The reversal of 20130113033 is 33031103102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20130113033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130113093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350216 + ... + 403622.

It is an arithmetic number, because the mean of its divisors is an integer number (1321207104).

Almost surely, 2^20130113033 is an apocalyptic number.

It is an amenable number.

20130113033 is a deficient number, since it is larger than the sum of its proper divisors (1009200631).

20130113033 is a wasteful number, since it uses less digits than its factorization.

20130113033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53672.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20130113033 its reverse (33031103102), we get a palindrome (53161216135).

The spelling of 20130113033 in words is "twenty billion, one hundred thirty million, one hundred thirteen thousand, thirty-three".