2020122119909 has 2 divisors, whose sum is σ = 2020122119910. Its totient is φ = 2020122119908.

The previous prime is 2020122119893. The next prime is 2020122120011. The reversal of 2020122119909 is 9099112210202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2018701056100 + 1421063809 = 1420810^2 + 37697^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020122119909 - 2⁴ = 2020122119893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020122319909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010061059954 + 1010061059955.

It is an arithmetic number, because the mean of its divisors is an integer number (1010061059955).

Almost surely, 2^{2020122119909} is an apocalyptic number.

It is an amenable number.

2020122119909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020122119909 is an equidigital number, since it uses as much as digits as its factorization.

2020122119909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 2020122119909 in words is "two trillion, twenty billion, one hundred twenty-two million, one hundred nineteen thousand, nine hundred nine".