220202021027 has 2 divisors, whose sum is σ = 220202021028. Its totient is φ = 220202021026.

The previous prime is 220202020957. The next prime is 220202021029. The reversal of 220202021027 is 720120202022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220202021027 - 2²⁶ = 220134912163 is a prime.

Together with 220202021029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220202021029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101010513 + 110101010514.

It is an arithmetic number, because the mean of its divisors is an integer number (110101010514).

Almost surely, 2^220202021027 is an apocalyptic number.

220202021027 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202021027 is an equidigital number, since it uses as much as digits as its factorization.

220202021027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 220202021027 its reverse (720120202022), we get a palindrome (940322223049).

The spelling of 220202021027 in words is "two hundred twenty billion, two hundred two million, twenty-one thousand, twenty-seven".