20001022001027 has 2 divisors, whose sum is σ = 20001022001028. Its totient is φ = 20001022001026.

The previous prime is 20001022001017. The next prime is 20001022001161. The reversal of 20001022001027 is 72010022010002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001022001027 - 2³⁴ = 19983842131843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20001022000996 and 20001022001014.

It is not a weakly prime, because it can be changed into another prime (20001022001017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000511000513 + 10000511000514.

It is an arithmetic number, because the mean of its divisors is an integer number (10000511000514).

Almost surely, 2^{20001022001027} is an apocalyptic number.

20001022001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001022001027 is an equidigital number, since it uses as much as digits as its factorization.

20001022001027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 20001022001027 its reverse (72010022010002), we get a palindrome (92011044011029).

The spelling of 20001022001027 in words is "twenty trillion, one billion, twenty-two million, one thousand, twenty-seven".