20132312069 has 2 divisors, whose sum is σ = 20132312070. Its totient is φ = 20132312068.

The previous prime is 20132311987. The next prime is 20132312077. The reversal of 20132312069 is 96021323102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19693912225 + 438399844 = 140335^2 + 20938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20132312069 is a prime.

It is a super-2 number, since 2×20132312069² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132312969) 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, 10066156034 + 10066156035.

It is an arithmetic number, because the mean of its divisors is an integer number (10066156035).

Almost surely, 2^20132312069 is an apocalyptic number.

It is an amenable number.

20132312069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132312069 is an equidigital number, since it uses as much as digits as its factorization.

20132312069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 20132312069 in words is "twenty billion, one hundred thirty-two million, three hundred twelve thousand, sixty-nine".