20104151354543 has 8 divisors (see below), whose sum is σ = 20305930444800. Its totient is φ = 19902499055928.

The previous prime is 20104151354513. The next prime is 20104151354587. The reversal of 20104151354543 is 34545315140102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20104151354543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20104151354497 and 20104151354506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104151354513) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31379183 + ... + 32013456.

It is an arithmetic number, because the mean of its divisors is an integer number (2538241305600).

Almost surely, 2^{20104151354543} is an apocalyptic number.

20104151354543 is a deficient number, since it is larger than the sum of its proper divisors (201779090257).

20104151354543 is a wasteful number, since it uses less digits than its factorization.

20104151354543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63395821.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 20104151354543 its reverse (34545315140102), we get a palindrome (54649466494645).

The spelling of 20104151354543 in words is "twenty trillion, one hundred four billion, one hundred fifty-one million, three hundred fifty-four thousand, five hundred forty-three".