220021110020027 has 2 divisors, whose sum is σ = 220021110020028. Its totient is φ = 220021110020026.

The previous prime is 220021110020009. The next prime is 220021110020029. The reversal of 220021110020027 is 720020011120022.

220021110020027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220021110020027 - 2²⁸ = 220020841584571 is a prime.

Together with 220021110020029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 220021110019990 and 220021110020008.

It is not a weakly prime, because it can be changed into another prime (220021110020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010555010013 + 110010555010014.

It is an arithmetic number, because the mean of its divisors is an integer number (110010555010014).

Almost surely, 2^{220021110020027} is an apocalyptic number.

220021110020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021110020027 is an equidigital number, since it uses as much as digits as its factorization.

220021110020027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 220021110020027 its reverse (720020011120022), we get a palindrome (940041121140049).

The spelling of 220021110020027 in words is "two hundred twenty trillion, twenty-one billion, one hundred ten million, twenty thousand, twenty-seven".