20000002329 has 10 divisors (see below), whose sum is σ = 29876546810. Its totient is φ = 13333334832.

The previous prime is 20000002313. The next prime is 20000002339. The reversal of 20000002329 is 92320000002.

It can be written as a sum of positive squares in only one way, i.e., 11272705929 + 8727296400 = 106173^2 + 93420^2 .

It is not a de Polignac number, because 20000002329 - 2⁴ = 20000002313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000002339) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123456724 + ... + 123456885.

It is an arithmetic number, because the mean of its divisors is an integer number (2987654681).

Almost surely, 2^20000002329 is an apocalyptic number.

It is an amenable number.

20000002329 is a deficient number, since it is larger than the sum of its proper divisors (9876544481).

20000002329 is an equidigital number, since it uses as much as digits as its factorization.

20000002329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246913621 (or 246913612 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The spelling of 20000002329 in words is "twenty billion, two thousand, three hundred twenty-nine".