20024735230565 has 64 divisors (see below), whose sum is σ = 26644221886464. Its totient is φ = 14355228926208.

The previous prime is 20024735230561. The next prime is 20024735230649. The reversal of 20024735230565 is 56503253742002.

It is a cyclic number.

It is not a de Polignac number, because 20024735230565 - 2² = 20024735230561 is a prime.

It is a super-2 number, since 2×20024735230565² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024735230561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238214372 + ... + 238298418.

It is an arithmetic number, because the mean of its divisors is an integer number (416315966976).

Almost surely, 2^{20024735230565} is an apocalyptic number.

It is an amenable number.

20024735230565 is a deficient number, since it is larger than the sum of its proper divisors (6619486655899).

20024735230565 is a wasteful number, since it uses less digits than its factorization.

20024735230565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84746.

The product of its (nonzero) digits is 1512000, while the sum is 44.

Adding to 20024735230565 its reverse (56503253742002), we get a palindrome (76527988972567).

The spelling of 20024735230565 in words is "twenty trillion, twenty-four billion, seven hundred thirty-five million, two hundred thirty thousand, five hundred sixty-five".