20122223019973 has 2 divisors, whose sum is σ = 20122223019974. Its totient is φ = 20122223019972.

The previous prime is 20122223019901. The next prime is 20122223020061. The reversal of 20122223019973 is 37991032222102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18948452292324 + 1173770727649 = 4352982^2 + 1083407^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122223019973 - 2⁹ = 20122223019461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122223019473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061111509986 + 10061111509987.

It is an arithmetic number, because the mean of its divisors is an integer number (10061111509987).

Almost surely, 2^{20122223019973} is an apocalyptic number.

It is an amenable number.

20122223019973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122223019973 is an equidigital number, since it uses as much as digits as its factorization.

20122223019973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 20122223019973 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-three million, nineteen thousand, nine hundred seventy-three".