20212323379 has 2 divisors, whose sum is σ = 20212323380. Its totient is φ = 20212323378.

The previous prime is 20212323353. The next prime is 20212323413. The reversal of 20212323379 is 97332321202.

It is an a-pointer prime, because the next prime (20212323413) can be obtained adding 20212323379 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212323379 - 2⁷ = 20212323251 is a prime.

It is not a weakly prime, because it can be changed into another prime (20212323319) 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, 10106161689 + 10106161690.

It is an arithmetic number, because the mean of its divisors is an integer number (10106161690).

Almost surely, 2^20212323379 is an apocalyptic number.

20212323379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212323379 is an equidigital number, since it uses as much as digits as its factorization.

20212323379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 20212323379 in words is "twenty billion, two hundred twelve million, three hundred twenty-three thousand, three hundred seventy-nine".