20203041222073 has 2 divisors, whose sum is σ = 20203041222074. Its totient is φ = 20203041222072.

The previous prime is 20203041222019. The next prime is 20203041222109. The reversal of 20203041222073 is 37022214030202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20062945972224 + 140095249849 = 4479168^2 + 374293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20203041222073 is a prime.

It is not a weakly prime, because it can be changed into another prime (20203041222373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101520611036 + 10101520611037.

It is an arithmetic number, because the mean of its divisors is an integer number (10101520611037).

Almost surely, 2^{20203041222073} is an apocalyptic number.

It is an amenable number.

20203041222073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203041222073 is an equidigital number, since it uses as much as digits as its factorization.

20203041222073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 20203041222073 its reverse (37022214030202), we get a palindrome (57225255252275).

The spelling of 20203041222073 in words is "twenty trillion, two hundred three billion, forty-one million, two hundred twenty-two thousand, seventy-three".