20020010123329 has 2 divisors, whose sum is σ = 20020010123330. Its totient is φ = 20020010123328.

The previous prime is 20020010123291. The next prime is 20020010123413. The reversal of 20020010123329 is 92332101002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19563574763329 + 456435360000 = 4423073^2 + 675600^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020010123329 - 2⁹ = 20020010122817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020010123929) 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, 10010005061664 + 10010005061665.

It is an arithmetic number, because the mean of its divisors is an integer number (10010005061665).

Almost surely, 2^{20020010123329} is an apocalyptic number.

It is an amenable number.

20020010123329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020010123329 is an equidigital number, since it uses as much as digits as its factorization.

20020010123329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 20020010123329 in words is "twenty trillion, twenty billion, ten million, one hundred twenty-three thousand, three hundred twenty-nine".