20631602301023 has 32 divisors (see below), whose sum is σ = 26006568023040. Its totient is φ = 15958574691840.

The previous prime is 20631602300957. The next prime is 20631602301031. The reversal of 20631602301023 is 32010320613602.

It is a cyclic number.

It is not a de Polignac number, because 20631602301023 - 2²⁸ = 20631333865567 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 (20631602301053) 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 31 ways as a sum of consecutive naturals, for example, 13255640 + ... + 14730077.

It is an arithmetic number, because the mean of its divisors is an integer number (812705250720).

Almost surely, 2^{20631602301023} is an apocalyptic number.

20631602301023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20631602301023 is a deficient number, since it is larger than the sum of its proper divisors (5374965722017).

20631602301023 is a wasteful number, since it uses less digits than its factorization.

20631602301023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27986007.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 20631602301023 its reverse (32010320613602), we get a palindrome (52641922914625).

The spelling of 20631602301023 in words is "twenty trillion, six hundred thirty-one billion, six hundred two million, three hundred one thousand, twenty-three".