20130041234 has 4 divisors (see below), whose sum is σ = 30195061854. Its totient is φ = 10065020616.

The previous prime is 20130041231. The next prime is 20130041257. The reversal of 20130041234 is 43214003102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13631263009 + 6498778225 = 116753^2 + 80615^2 .

It is not an unprimeable number, because it can be changed into a prime (20130041231) 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 as a sum of consecutive naturals, namely, 5032510307 + ... + 5032510310.

Almost surely, 2^20130041234 is an apocalyptic number.

20130041234 is a deficient number, since it is larger than the sum of its proper divisors (10065020620).

20130041234 is a wasteful number, since it uses less digits than its factorization.

20130041234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065020619.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20130041234 its reverse (43214003102), we get a palindrome (63344044336).

The spelling of 20130041234 in words is "twenty billion, one hundred thirty million, forty-one thousand, two hundred thirty-four".