20003303113 has 32 divisors (see below), whose sum is σ = 23408179200. Its totient is φ = 16954603776.

The previous prime is 20003303107. The next prime is 20003303129. The reversal of 20003303113 is 31130330002.

It is a cyclic number.

It is not a de Polignac number, because 20003303113 - 2¹³ = 20003294921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003303143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1202668 + ... + 1219186.

It is an arithmetic number, because the mean of its divisors is an integer number (731505600).

Almost surely, 2^20003303113 is an apocalyptic number.

20003303113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20003303113 is a deficient number, since it is larger than the sum of its proper divisors (3404876087).

20003303113 is a wasteful number, since it uses less digits than its factorization.

20003303113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16741.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20003303113 its reverse (31130330002), we get a palindrome (51133633115).

The spelling of 20003303113 in words is "twenty billion, three million, three hundred three thousand, one hundred thirteen".