20201030023 has 2 divisors, whose sum is σ = 20201030024. Its totient is φ = 20201030022.

The previous prime is 20201030021. The next prime is 20201030027. The reversal of 20201030023 is 32003010202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20201030023 - 2¹ = 20201030021 is a prime.

It is a super-2 number, since 2×20201030023² (a number of 21 digits) contains 22 as substring.

Together with 20201030021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20201029985 and 20201030012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201030021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100515011 + 10100515012.

It is an arithmetic number, because the mean of its divisors is an integer number (10100515012).

Almost surely, 2^20201030023 is an apocalyptic number.

20201030023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201030023 is an equidigital number, since it uses as much as digits as its factorization.

20201030023 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 13.

Adding to 20201030023 its reverse (32003010202), we get a palindrome (52204040225).

The spelling of 20201030023 in words is "twenty billion, two hundred one million, thirty thousand, twenty-three".