20883459329 has 2 divisors, whose sum is σ = 20883459330. Its totient is φ = 20883459328.

The previous prime is 20883459313. The next prime is 20883459367. The reversal of 20883459329 is 92395438802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18995730625 + 1887728704 = 137825^2 + 43448^2 .

It is a cyclic number.

It is not a de Polignac number, because 20883459329 - 2⁴ = 20883459313 is a prime.

It is a super-2 number, since 2×20883459329² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20883459629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10441729664 + 10441729665.

It is an arithmetic number, because the mean of its divisors is an integer number (10441729665).

Almost surely, 2^20883459329 is an apocalyptic number.

It is an amenable number.

20883459329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20883459329 is an equidigital number, since it uses as much as digits as its factorization.

20883459329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 20883459329 in words is "twenty billion, eight hundred eighty-three million, four hundred fifty-nine thousand, three hundred twenty-nine".