20134862342658 has 96 divisors (see below), whose sum is σ = 52490526441600. Its totient is φ = 5449136571648.

The previous prime is 20134862342597. The next prime is 20134862342711. The reversal of 20134862342658 is 85624326843102.

20134862342658 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 4 + 8 + 623 + 4 + 2 + 6 + 5 + 8 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 13846308 + ... + 15231216.

It is an arithmetic number, because the mean of its divisors is an integer number (546776317100).

Almost surely, 2^{20134862342658} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20134862342658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26245263220800).

20134862342658 is an abundant number, since it is smaller than the sum of its proper divisors (32355664098942).

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

20134862342658 is a wasteful number, since it uses less digits than its factorization.

20134862342658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391016 (or 1391013 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 20134862342658 in words is "twenty trillion, one hundred thirty-four billion, eight hundred sixty-two million, three hundred forty-two thousand, six hundred fifty-eight".