20130203043 has 12 divisors (see below), whose sum is σ = 29079272040. Its totient is φ = 13419068256.

The previous prime is 20130202987. The next prime is 20130203141. The reversal of 20130203043 is 34030203102.

It is not a de Polignac number, because 20130203043 - 2¹⁶ = 20130137507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20130903043) 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 11 ways as a sum of consecutive naturals, for example, 40455 + ... + 204687.

It is an arithmetic number, because the mean of its divisors is an integer number (2423272670).

Almost surely, 2^20130203043 is an apocalyptic number.

20130203043 is a deficient number, since it is larger than the sum of its proper divisors (8949068997).

20130203043 is a wasteful number, since it uses less digits than its factorization.

20130203043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177858 (or 177855 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20130203043 its reverse (34030203102), we get a palindrome (54160406145).

The spelling of 20130203043 in words is "twenty billion, one hundred thirty million, two hundred three thousand, forty-three".