20122100220263 has 2 divisors, whose sum is σ = 20122100220264. Its totient is φ = 20122100220262.

The previous prime is 20122100220259. The next prime is 20122100220367. The reversal of 20122100220263 is 36202200122102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20122100220263 - 2² = 20122100220259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122100210263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061050110131 + 10061050110132.

It is an arithmetic number, because the mean of its divisors is an integer number (10061050110132).

Almost surely, 2^{20122100220263} is an apocalyptic number.

20122100220263 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122100220263 is an equidigital number, since it uses as much as digits as its factorization.

20122100220263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20122100220263 its reverse (36202200122102), we get a palindrome (56324300342365).

The spelling of 20122100220263 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, two hundred twenty thousand, two hundred sixty-three".