20134134211 has 8 divisors (see below), whose sum is σ = 20338476048. Its totient is φ = 19930560000.

The previous prime is 20134134089. The next prime is 20134134257. The reversal of 20134134211 is 11243143102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20134134211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20134134271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139110 + ... + 244171.

It is an arithmetic number, because the mean of its divisors is an integer number (2542309506).

Almost surely, 2^20134134211 is an apocalyptic number.

20134134211 is a deficient number, since it is larger than the sum of its proper divisors (204341837).

20134134211 is a wasteful number, since it uses less digits than its factorization.

20134134211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383813.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20134134211 its reverse (11243143102), we get a palindrome (31377277313).

The spelling of 20134134211 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-four thousand, two hundred eleven".