21020332002259 has 2 divisors, whose sum is σ = 21020332002260. Its totient is φ = 21020332002258.

The previous prime is 21020332002203. The next prime is 21020332002289. The reversal of 21020332002259 is 95220023302012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21020332002259 - 2¹⁵ = 21020331969491 is a prime.

It is a super-2 number, since 2×21020332002259² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21020332002259.

It is not a weakly prime, because it can be changed into another prime (21020332002289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10510166001129 + 10510166001130.

It is an arithmetic number, because the mean of its divisors is an integer number (10510166001130).

Almost surely, 2^{21020332002259} is an apocalyptic number.

21020332002259 is a deficient number, since it is larger than the sum of its proper divisors (1).

21020332002259 is an equidigital number, since it uses as much as digits as its factorization.

21020332002259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 21020332002259 in words is "twenty-one trillion, twenty billion, three hundred thirty-two million, two thousand, two hundred fifty-nine".