20884535713 has 2 divisors, whose sum is σ = 20884535714. Its totient is φ = 20884535712.

The previous prime is 20884535689. The next prime is 20884535753. The reversal of 20884535713 is 31753548802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14993512704 + 5891023009 = 122448^2 + 76753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20884535713 is a prime.

It is not a weakly prime, because it can be changed into another prime (20884535753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10442267856 + 10442267857.

It is an arithmetic number, because the mean of its divisors is an integer number (10442267857).

Almost surely, 2^20884535713 is an apocalyptic number.

It is an amenable number.

20884535713 is a deficient number, since it is larger than the sum of its proper divisors (1).

20884535713 is an equidigital number, since it uses as much as digits as its factorization.

20884535713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 20884535713 in words is "twenty billion, eight hundred eighty-four million, five hundred thirty-five thousand, seven hundred thirteen".