20220200992909 has 2 divisors, whose sum is σ = 20220200992910. Its totient is φ = 20220200992908.

The previous prime is 20220200992907. The next prime is 20220200992913. The reversal of 20220200992909 is 90929900202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15216412275684 + 5003788717225 = 3900822^2 + 2236915^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220200992909 - 2¹ = 20220200992907 is a prime.

Together with 20220200992907, 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 (20220200992907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110100496454 + 10110100496455.

It is an arithmetic number, because the mean of its divisors is an integer number (10110100496455).

Almost surely, 2^{20220200992909} is an apocalyptic number.

It is an amenable number.

20220200992909 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220200992909 is an equidigital number, since it uses as much as digits as its factorization.

20220200992909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 20220200992909 in words is "twenty trillion, two hundred twenty billion, two hundred million, nine hundred ninety-two thousand, nine hundred nine".