20321023027 has 2 divisors, whose sum is σ = 20321023028. Its totient is φ = 20321023026.

The previous prime is 20321022983. The next prime is 20321023097. The reversal of 20321023027 is 72032012302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20321023027 - 2¹⁵ = 20320990259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20321022989 and 20321023007.

It is not a weakly prime, because it can be changed into another prime (20321023097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160511513 + 10160511514.

It is an arithmetic number, because the mean of its divisors is an integer number (10160511514).

Almost surely, 2^20321023027 is an apocalyptic number.

20321023027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20321023027 is an equidigital number, since it uses as much as digits as its factorization.

20321023027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 20321023027 its reverse (72032012302), we get a palindrome (92353035329).

The spelling of 20321023027 in words is "twenty billion, three hundred twenty-one million, twenty-three thousand, twenty-seven".