20122232269 has 2 divisors, whose sum is σ = 20122232270. Its totient is φ = 20122232268.

The previous prime is 20122232261. The next prime is 20122232327. The reversal of 20122232269 is 96223222102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18594595044 + 1527637225 = 136362^2 + 39085^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122232269 - 2³ = 20122232261 is a prime.

It is a super-2 number, since 2×20122232269² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20122232269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122232261) 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, 10061116134 + 10061116135.

It is an arithmetic number, because the mean of its divisors is an integer number (10061116135).

Almost surely, 2^20122232269 is an apocalyptic number.

It is an amenable number.

20122232269 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122232269 is an equidigital number, since it uses as much as digits as its factorization.

20122232269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 20122232269 in words is "twenty billion, one hundred twenty-two million, two hundred thirty-two thousand, two hundred sixty-nine".