20543455324134 has 12 divisors (see below), whose sum is σ = 44510819868996. Its totient is φ = 6847818441372.

The previous prime is 20543455324129. The next prime is 20543455324151. The reversal of 20543455324134 is 43142355434502.

20543455324134 is a `hidden beast` number, since 2 + 0 + 5 + 4 + 3 + 45 + 532 + 41 + 34 = 666.

It is a super-3 number, since 3×20543455324134³ (a number of 41 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20543455324134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 570651536764 + ... + 570651536799.

It is an arithmetic number, because the mean of its divisors is an integer number (3709234989083).

Almost surely, 2^{20543455324134} is an apocalyptic number.

20543455324134 is an abundant number, since it is smaller than the sum of its proper divisors (23967364544862).

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

20543455324134 is a wasteful number, since it uses less digits than its factorization.

20543455324134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141303073571 (or 1141303073568 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 20543455324134 in words is "twenty trillion, five hundred forty-three billion, four hundred fifty-five million, three hundred twenty-four thousand, one hundred thirty-four".