20214220511269 has 2 divisors, whose sum is σ = 20214220511270. Its totient is φ = 20214220511268.

The previous prime is 20214220511267. The next prime is 20214220511273. The reversal of 20214220511269 is 96211502241202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16875787240225 + 3338433271044 = 4108015^2 + 1827138^2 .

It is a cyclic number.

It is not a de Polignac number, because 20214220511269 - 2¹ = 20214220511267 is a prime.

It is a super-2 number, since 2×20214220511269² (a number of 27 digits) contains 22 as substring.

Together with 20214220511267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20214220511267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107110255634 + 10107110255635.

It is an arithmetic number, because the mean of its divisors is an integer number (10107110255635).

Almost surely, 2^{20214220511269} is an apocalyptic number.

It is an amenable number.

20214220511269 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214220511269 is an equidigital number, since it uses as much as digits as its factorization.

20214220511269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 20214220511269 in words is "twenty trillion, two hundred fourteen billion, two hundred twenty million, five hundred eleven thousand, two hundred sixty-nine".