20024735230525 has 6 divisors (see below), whose sum is σ = 24830671685882. Its totient is φ = 16019788184400.

The previous prime is 20024735230523. The next prime is 20024735230529. The reversal of 20024735230525 is 52503253742002.

It can be written as a sum of positive squares in 3 ways, for example, as 55893470724 + 19968841759801 = 236418^2 + 4468651^2 .

It is not a de Polignac number, because 20024735230525 - 2¹ = 20024735230523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024735230523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400494704586 + ... + 400494704635.

Almost surely, 2^{20024735230525} is an apocalyptic number.

20024735230525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20024735230525 is a deficient number, since it is larger than the sum of its proper divisors (4805936455357).

20024735230525 is an equidigital number, since it uses as much as digits as its factorization.

20024735230525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800989409231 (or 800989409226 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 40.

Adding to 20024735230525 its reverse (52503253742002), we get a palindrome (72527988972527).

The spelling of 20024735230525 in words is "twenty trillion, twenty-four billion, seven hundred thirty-five million, two hundred thirty thousand, five hundred twenty-five".