20031122329 has 2 divisors, whose sum is σ = 20031122330. Its totient is φ = 20031122328.

The previous prime is 20031122299. The next prime is 20031122413. The reversal of 20031122329 is 92322113002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19913443225 + 117679104 = 141115^2 + 10848^2 .

It is a cyclic number.

It is not a de Polignac number, because 20031122329 - 2⁷ = 20031122201 is a prime.

It is not a weakly prime, because it can be changed into another prime (20031122129) 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, 10015561164 + 10015561165.

It is an arithmetic number, because the mean of its divisors is an integer number (10015561165).

Almost surely, 2^20031122329 is an apocalyptic number.

It is an amenable number.

20031122329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031122329 is an equidigital number, since it uses as much as digits as its factorization.

20031122329 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 20031122329 in words is "twenty billion, thirty-one million, one hundred twenty-two thousand, three hundred twenty-nine".