20134102334434 has 48 divisors (see below), whose sum is σ = 33599178131904. Its totient is φ = 9040817221920.

The previous prime is 20134102334429. The next prime is 20134102334453. The reversal of 20134102334434 is 43443320143102.

It is a self number, because there is not a number n which added to its sum of digits gives 20134102334434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274880464 + ... + 274953700.

It is an arithmetic number, because the mean of its divisors is an integer number (699982877748).

Almost surely, 2^{20134102334434} is an apocalyptic number.

20134102334434 is a deficient number, since it is larger than the sum of its proper divisors (13465075797470).

20134102334434 is a wasteful number, since it uses less digits than its factorization.

20134102334434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87031 (or 87020 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 20134102334434 its reverse (43443320143102), we get a palindrome (63577422477536).

The spelling of 20134102334434 in words is "twenty trillion, one hundred thirty-four billion, one hundred two million, three hundred thirty-four thousand, four hundred thirty-four".