20134140104 has 16 divisors (see below), whose sum is σ = 40655475420. Its totient is φ = 9292680000.

The previous prime is 20134140007. The next prime is 20134140109. The reversal of 20134140104 is 40104143102.

It can be written as a sum of positive squares in 2 ways, for example, as 18909000100 + 1225140004 = 137510^2 + 35002^2 .

It is a super-2 number, since 2×20134140104² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20134140109) 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 3 ways as a sum of consecutive naturals, for example, 96798647 + ... + 96798854.

Almost surely, 2^20134140104 is an apocalyptic number.

It is an amenable number.

20134140104 is an abundant number, since it is smaller than the sum of its proper divisors (20521335316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20134140104 is a wasteful number, since it uses less digits than its factorization.

20134140104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193597520 (or 193597516 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20134140104 its reverse (40104143102), we get a palindrome (60238283206).

The spelling of 20134140104 in words is "twenty billion, one hundred thirty-four million, one hundred forty thousand, one hundred four".