20220220001999 has 2 divisors, whose sum is σ = 20220220002000. Its totient is φ = 20220220001998.

The previous prime is 20220220001987. The next prime is 20220220002043. The reversal of 20220220001999 is 99910002202202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220220001999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220220001299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110110000999 + 10110110001000.

It is an arithmetic number, because the mean of its divisors is an integer number (10110110001000).

Almost surely, 2^{20220220001999} is an apocalyptic number.

20220220001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220220001999 is an equidigital number, since it uses as much as digits as its factorization.

20220220001999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 20220220001999 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, one thousand, nine hundred ninety-nine".