20211230027 has 2 divisors, whose sum is σ = 20211230028. Its totient is φ = 20211230026.

The previous prime is 20211230009. The next prime is 20211230051. The reversal of 20211230027 is 72003211202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20211230027 - 2¹⁴ = 20211213643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20211229990 and 20211230008.

It is not a weakly prime, because it can be changed into another prime (20211230077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105615013 + 10105615014.

It is an arithmetic number, because the mean of its divisors is an integer number (10105615014).

Almost surely, 2^20211230027 is an apocalyptic number.

20211230027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211230027 is an equidigital number, since it uses as much as digits as its factorization.

20211230027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 20211230027 its reverse (72003211202), we get a palindrome (92214441229).

The spelling of 20211230027 in words is "twenty billion, two hundred eleven million, two hundred thirty thousand, twenty-seven".