20043202542541 has 8 divisors (see below), whose sum is σ = 20152230975360. Its totient is φ = 19934462164848.

The previous prime is 20043202542527. The next prime is 20043202542611. The reversal of 20043202542541 is 14524520234002.

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

It is a cyclic number.

It is not a de Polignac number, because 20043202542541 - 2³⁹ = 19493446728653 is a prime.

It is a super-2 number, since 2×20043202542541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20043202542497 and 20043202542506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043202549541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71874241 + ... + 72152566.

It is an arithmetic number, because the mean of its divisors is an integer number (2519028871920).

Almost surely, 2^{20043202542541} is an apocalyptic number.

It is an amenable number.

20043202542541 is a deficient number, since it is larger than the sum of its proper divisors (109028432819).

20043202542541 is a wasteful number, since it uses less digits than its factorization.

20043202542541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144027563.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 20043202542541 its reverse (14524520234002), we get a palindrome (34567722776543).

The spelling of 20043202542541 in words is "twenty trillion, forty-three billion, two hundred two million, five hundred forty-two thousand, five hundred forty-one".