20201013023 has 2 divisors, whose sum is σ = 20201013024. Its totient is φ = 20201013022.

The previous prime is 20201012983. The next prime is 20201013037. The reversal of 20201013023 is 32031010202.

It is a happy number.

It is an a-pointer prime, because the next prime (20201013037) can be obtained adding 20201013023 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201013023 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201012989 and 20201013007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201013323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100506511 + 10100506512.

It is an arithmetic number, because the mean of its divisors is an integer number (10100506512).

Almost surely, 2^20201013023 is an apocalyptic number.

20201013023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201013023 is an equidigital number, since it uses as much as digits as its factorization.

20201013023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20201013023 its reverse (32031010202), we get a palindrome (52232023225).

The spelling of 20201013023 in words is "twenty billion, two hundred one million, thirteen thousand, twenty-three".