20122020093817 has 2 divisors, whose sum is σ = 20122020093818. Its totient is φ = 20122020093816.

The previous prime is 20122020093761. The next prime is 20122020093881. The reversal of 20122020093817 is 71839002022102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19117496990736 + 1004523103081 = 4372356^2 + 1002259^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122020093817 - 2³⁵ = 20087660355449 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122020099817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061010046908 + 10061010046909.

It is an arithmetic number, because the mean of its divisors is an integer number (10061010046909).

Almost surely, 2^{20122020093817} is an apocalyptic number.

It is an amenable number.

20122020093817 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122020093817 is an equidigital number, since it uses as much as digits as its factorization.

20122020093817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 20122020093817 in words is "twenty trillion, one hundred twenty-two billion, twenty million, ninety-three thousand, eight hundred seventeen".