20012202220271 has 2 divisors, whose sum is σ = 20012202220272. Its totient is φ = 20012202220270.

The previous prime is 20012202220187. The next prime is 20012202220291. The reversal of 20012202220271 is 17202220221002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20012202220271 - 2³⁸ = 19737324313327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012202220291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006101110135 + 10006101110136.

It is an arithmetic number, because the mean of its divisors is an integer number (10006101110136).

Almost surely, 2^{20012202220271} is an apocalyptic number.

20012202220271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012202220271 is an equidigital number, since it uses as much as digits as its factorization.

20012202220271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 20012202220271 its reverse (17202220221002), we get a palindrome (37214422441273).

The spelling of 20012202220271 in words is "twenty trillion, twelve billion, two hundred two million, two hundred twenty thousand, two hundred seventy-one".