20329441 has 8 divisors (see below), whose sum is σ = 22222944. Its totient is φ = 18443520.

The previous prime is 20329417. The next prime is 20329489. The reversal of 20329441 is 14492302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20329441 - 2⁹ = 20328929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20329741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4746 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (2777868).

Almost surely, 2^20329441 is an apocalyptic number.

It is an amenable number.

20329441 is a deficient number, since it is larger than the sum of its proper divisors (1893503).

20329441 is a wasteful number, since it uses less digits than its factorization.

20329441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20329441 is about 4508.8181378273. The cubic root of 20329441 is about 272.9240531717.

The spelling of 20329441 in words is "twenty million, three hundred twenty-nine thousand, four hundred forty-one".