20035303124209 has 2 divisors, whose sum is σ = 20035303124210. Its totient is φ = 20035303124208.

The previous prime is 20035303124173. The next prime is 20035303124233. The reversal of 20035303124209 is 90242130353002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19941333287184 + 93969837025 = 4465572^2 + 306545^2 .

It is a cyclic number.

It is not a de Polignac number, because 20035303124209 - 2⁴¹ = 17836279868657 is a prime.

It is not a weakly prime, because it can be changed into another prime (20035303124269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017651562104 + 10017651562105.

It is an arithmetic number, because the mean of its divisors is an integer number (10017651562105).

Almost surely, 2^{20035303124209} is an apocalyptic number.

It is an amenable number.

20035303124209 is a deficient number, since it is larger than the sum of its proper divisors (1).

20035303124209 is an equidigital number, since it uses as much as digits as its factorization.

20035303124209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 20035303124209 in words is "twenty trillion, thirty-five billion, three hundred three million, one hundred twenty-four thousand, two hundred nine".