20242105525543 has 8 divisors (see below), whose sum is σ = 22082370860160. Its totient is φ = 18401852511480.

The previous prime is 20242105525457. The next prime is 20242105525559. The reversal of 20242105525543 is 34552550124202.

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-20242105525543 is a prime.

It is a super-2 number, since 2×20242105525543² (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 = 20242105525496 and 20242105525505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242105525573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540148 + ... + 6385606.

It is an arithmetic number, because the mean of its divisors is an integer number (2760296357520).

Almost surely, 2^{20242105525543} is an apocalyptic number.

20242105525543 is a deficient number, since it is larger than the sum of its proper divisors (1840265334617).

20242105525543 is a wasteful number, since it uses less digits than its factorization.

20242105525543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160277.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 20242105525543 its reverse (34552550124202), we get a palindrome (54794655649745).

The spelling of 20242105525543 in words is "twenty trillion, two hundred forty-two billion, one hundred five million, five hundred twenty-five thousand, five hundred forty-three".