20413525124563 has 8 divisors (see below), whose sum is σ = 20534544746496. Its totient is φ = 20292652821000.

The previous prime is 20413525124549. The next prime is 20413525124569. The reversal of 20413525124563 is 36542152531402.

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-20413525124563 is a prime.

It is a super-2 number, since 2×20413525124563² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20413525124569) 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, 36551631 + ... + 37105912.

It is an arithmetic number, because the mean of its divisors is an integer number (2566818093312).

Almost surely, 2^{20413525124563} is an apocalyptic number.

20413525124563 is a deficient number, since it is larger than the sum of its proper divisors (121019621933).

20413525124563 is a wasteful number, since it uses less digits than its factorization.

20413525124563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73659185.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 20413525124563 its reverse (36542152531402), we get a palindrome (56955677655965).

The spelling of 20413525124563 in words is "twenty trillion, four hundred thirteen billion, five hundred twenty-five million, one hundred twenty-four thousand, five hundred sixty-three".