20301332269 has 2 divisors, whose sum is σ = 20301332270. Its totient is φ = 20301332268.

The previous prime is 20301332203. The next prime is 20301332279. The reversal of 20301332269 is 96223310302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20210034244 + 91298025 = 142162^2 + 9555^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301332269 - 2¹³ = 20301324077 is a prime.

It is a super-2 number, since 2×20301332269² (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 20301332269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20301332279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150666134 + 10150666135.

It is an arithmetic number, because the mean of its divisors is an integer number (10150666135).

Almost surely, 2^20301332269 is an apocalyptic number.

It is an amenable number.

20301332269 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301332269 is an equidigital number, since it uses as much as digits as its factorization.

20301332269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 20301332269 in words is "twenty billion, three hundred one million, three hundred thirty-two thousand, two hundred sixty-nine".