20134140142100 has 18 divisors (see below), whose sum is σ = 43691084108574. Its totient is φ = 8053656056800.

The previous prime is 20134140142097. The next prime is 20134140142147. The reversal of 20134140142100 is 124104143102.

It can be written as a sum of positive squares in 3 ways, for example, as 13227760144 + 20120912381956 = 115012^2 + 4485634^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 100670700611 + ... + 100670700810.

Almost surely, 2^{20134140142100} is an apocalyptic number.

20134140142100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134140142100 is an abundant number, since it is smaller than the sum of its proper divisors (23556943966474).

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

20134140142100 is a wasteful number, since it uses less digits than its factorization.

20134140142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201341401435 (or 201341401428 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20134140142100 its reverse (124104143102), we get a palindrome (20258244285202).

The spelling of 20134140142100 in words is "twenty trillion, one hundred thirty-four billion, one hundred forty million, one hundred forty-two thousand, one hundred".