20212323413 has 2 divisors, whose sum is σ = 20212323414. Its totient is φ = 20212323412.

The previous prime is 20212323379. The next prime is 20212323437. The reversal of 20212323413 is 31432321202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20210034244 + 2289169 = 142162^2 + 1513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212323413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212323613) 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, 10106161706 + 10106161707.

It is an arithmetic number, because the mean of its divisors is an integer number (10106161707).

Almost surely, 2^20212323413 is an apocalyptic number.

It is an amenable number.

20212323413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212323413 is an equidigital number, since it uses as much as digits as its factorization.

20212323413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20212323413 its reverse (31432321202), we get a palindrome (51644644615).

The spelling of 20212323413 in words is "twenty billion, two hundred twelve million, three hundred twenty-three thousand, four hundred thirteen".