20000210100023 has 2 divisors, whose sum is σ = 20000210100024. Its totient is φ = 20000210100022.

The previous prime is 20000210100019. The next prime is 20000210100041. The reversal of 20000210100023 is 32000101200002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20000210100023 - 2² = 20000210100019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000210099977 and 20000210100013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000210100043) 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 as a sum of consecutive naturals, namely, 10000105050011 + 10000105050012.

It is an arithmetic number, because the mean of its divisors is an integer number (10000105050012).

Almost surely, 2^{20000210100023} is an apocalyptic number.

20000210100023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000210100023 is an equidigital number, since it uses as much as digits as its factorization.

20000210100023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20000210100023 its reverse (32000101200002), we get a palindrome (52000311300025).

The spelling of 20000210100023 in words is "twenty trillion, two hundred ten million, one hundred thousand, twenty-three".