2020212232309 has 2 divisors, whose sum is σ = 2020212232310. Its totient is φ = 2020212232308.

The previous prime is 2020212232307. The next prime is 2020212232319. The reversal of 2020212232309 is 9032322120202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1998963339409 + 21248892900 = 1413847^2 + 145770^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020212232309 - 2¹ = 2020212232307 is a prime.

Together with 2020212232307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020212232307) 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, 1010106116154 + 1010106116155.

It is an arithmetic number, because the mean of its divisors is an integer number (1010106116155).

Almost surely, 2^{2020212232309} is an apocalyptic number.

It is an amenable number.

2020212232309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020212232309 is an equidigital number, since it uses as much as digits as its factorization.

2020212232309 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.

The spelling of 2020212232309 in words is "two trillion, twenty billion, two hundred twelve million, two hundred thirty-two thousand, three hundred nine".