20543114134 has 16 divisors (see below), whose sum is σ = 31921646400. Its totient is φ = 9903552064.

The previous prime is 20543114113. The next prime is 20543114161. The reversal of 20543114134 is 43141134502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204607 + ... + 288010.

It is an arithmetic number, because the mean of its divisors is an integer number (1995102900).

Almost surely, 2^20543114134 is an apocalyptic number.

20543114134 is a deficient number, since it is larger than the sum of its proper divisors (11378532266).

20543114134 is a wasteful number, since it uses less digits than its factorization.

20543114134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493367.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 20543114134 its reverse (43141134502), we get a palindrome (63684248636).

The spelling of 20543114134 in words is "twenty billion, five hundred forty-three million, one hundred fourteen thousand, one hundred thirty-four".