20832528289 has 2 divisors, whose sum is σ = 20832528290. Its totient is φ = 20832528288.

The previous prime is 20832528281. The next prime is 20832528337. The reversal of 20832528289 is 98282523802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17663739025 + 3168789264 = 132905^2 + 56292^2 .

It is a cyclic number.

It is not a de Polignac number, because 20832528289 - 2³ = 20832528281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20832528281) 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, 10416264144 + 10416264145.

It is an arithmetic number, because the mean of its divisors is an integer number (10416264145).

Almost surely, 2^20832528289 is an apocalyptic number.

It is an amenable number.

20832528289 is a deficient number, since it is larger than the sum of its proper divisors (1).

20832528289 is an equidigital number, since it uses as much as digits as its factorization.

20832528289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 20832528289 in words is "twenty billion, eight hundred thirty-two million, five hundred twenty-eight thousand, two hundred eighty-nine".