20231020040761 has 2 divisors, whose sum is σ = 20231020040762. Its totient is φ = 20231020040760.

The previous prime is 20231020040687. The next prime is 20231020040767. The reversal of 20231020040761 is 16704002013202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10357976261161 + 9873043779600 = 3218381^2 + 3142140^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231020040761 - 2¹³ = 20231020032569 is a prime.

It is not a weakly prime, because it can be changed into another prime (20231020040767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115510020380 + 10115510020381.

It is an arithmetic number, because the mean of its divisors is an integer number (10115510020381).

Almost surely, 2^{20231020040761} is an apocalyptic number.

It is an amenable number.

20231020040761 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231020040761 is an equidigital number, since it uses as much as digits as its factorization.

20231020040761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 20231020040761 its reverse (16704002013202), we get a palindrome (36935022053963).

The spelling of 20231020040761 in words is "twenty trillion, two hundred thirty-one billion, twenty million, forty thousand, seven hundred sixty-one".