20004131134 has 8 divisors (see below), whose sum is σ = 32314365720. Its totient is φ = 9232675896.

The previous prime is 20004131131. The next prime is 20004131167. The reversal of 20004131134 is 43113140002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004131131) 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 3 ways as a sum of consecutive naturals, for example, 384694804 + ... + 384694855.

It is an arithmetic number, because the mean of its divisors is an integer number (4039295715).

Almost surely, 2^20004131134 is an apocalyptic number.

20004131134 is a deficient number, since it is larger than the sum of its proper divisors (12310234586).

20004131134 is a wasteful number, since it uses less digits than its factorization.

20004131134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769389674.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20004131134 its reverse (43113140002), we get a palindrome (63117271136).

The spelling of 20004131134 in words is "twenty billion, four million, one hundred thirty-one thousand, one hundred thirty-four".