20560113153243 has 96 divisors (see below), whose sum is σ = 31839932397312. Its totient is φ = 12739313664000.

The previous prime is 20560113153241. The next prime is 20560113153341. The reversal of 20560113153243 is 34235131106502.

20560113153243 is a `hidden beast` number, since 2 + 0 + 5 + 6 + 0 + 11 + 315 + 324 + 3 = 666.

It is not a de Polignac number, because 20560113153243 - 2¹ = 20560113153241 is a prime.

It is a super-3 number, since 3×20560113153243³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20560113153198 and 20560113153207.

It is not an unprimeable number, because it can be changed into a prime (20560113153241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10988835598 + ... + 10988837468.

It is an arithmetic number, because the mean of its divisors is an integer number (331665962472).

Almost surely, 2^{20560113153243} is an apocalyptic number.

20560113153243 is a deficient number, since it is larger than the sum of its proper divisors (11279819244069).

20560113153243 is a wasteful number, since it uses less digits than its factorization.

20560113153243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 4002 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 20560113153243 its reverse (34235131106502), we get a palindrome (54795244259745).

The spelling of 20560113153243 in words is "twenty trillion, five hundred sixty billion, one hundred thirteen million, one hundred fifty-three thousand, two hundred forty-three".