20076335472409 has 2 divisors, whose sum is σ = 20076335472410. Its totient is φ = 20076335472408.

The previous prime is 20076335472311. The next prime is 20076335472449. The reversal of 20076335472409 is 90427453367002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19944682606809 + 131652865600 = 4465947^2 + 362840^2 .

It is a cyclic number.

It is not a de Polignac number, because 20076335472409 - 2²¹ = 20076333375257 is a prime.

It is not a weakly prime, because it can be changed into another prime (20076335472449) 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, 10038167736204 + 10038167736205.

It is an arithmetic number, because the mean of its divisors is an integer number (10038167736205).

Almost surely, 2^{20076335472409} is an apocalyptic number.

It is an amenable number.

20076335472409 is a deficient number, since it is larger than the sum of its proper divisors (1).

20076335472409 is an equidigital number, since it uses as much as digits as its factorization.

20076335472409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 20076335472409 in words is "twenty trillion, seventy-six billion, three hundred thirty-five million, four hundred seventy-two thousand, four hundred nine".