20002329 has 16 divisors (see below), whose sum is σ = 29715840. Its totient is φ = 13297680.

The previous prime is 20002321. The next prime is 20002331. The reversal of 20002329 is 92320002.

It is not a de Polignac number, because 20002329 - 2³ = 20002321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11644 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (1857240).

Almost surely, 2^20002329 is an apocalyptic number.

It is an amenable number.

20002329 is a deficient number, since it is larger than the sum of its proper divisors (9713511).

20002329 is a wasteful number, since it uses less digits than its factorization.

20002329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2071 counting only the distinct ones).

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

The square root of 20002329 is about 4472.3963375354. The cubic root of 20002329 is about 271.4522977149.

The spelling of 20002329 in words is "twenty million, two thousand, three hundred twenty-nine".