20212322293 has 2 divisors, whose sum is σ = 20212322294. Its totient is φ = 20212322292.

The previous prime is 20212322287. The next prime is 20212322321. The reversal of 20212322293 is 39222321202.

It is an a-pointer prime, because the next prime (20212322321) can be obtained adding 20212322293 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12087463249 + 8124859044 = 109943^2 + 90138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212322293 is a prime.

It is a super-3 number, since 3×20212322293³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212322213) 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, 10106161146 + 10106161147.

It is an arithmetic number, because the mean of its divisors is an integer number (10106161147).

Almost surely, 2^20212322293 is an apocalyptic number.

It is an amenable number.

20212322293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212322293 is an equidigital number, since it uses as much as digits as its factorization.

20212322293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20212322293 its reverse (39222321202), we get a palindrome (59434643495).

The spelling of 20212322293 in words is "twenty billion, two hundred twelve million, three hundred twenty-two thousand, two hundred ninety-three".