20329343 has 4 divisors (see below), whose sum is σ = 20341440. Its totient is φ = 20317248.

The previous prime is 20329339. The next prime is 20329363. The reversal of 20329343 is 34392302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20329343 - 2² = 20329339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20329303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023 + ... + 7056.

It is an arithmetic number, because the mean of its divisors is an integer number (5085360).

Almost surely, 2^20329343 is an apocalyptic number.

20329343 is a deficient number, since it is larger than the sum of its proper divisors (12097).

20329343 is a wasteful number, since it uses less digits than its factorization.

20329343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12096.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 20329343 is about 4508.8072702212. The cubic root of 20329343 is about 272.9236146189.

The spelling of 20329343 in words is "twenty million, three hundred twenty-nine thousand, three hundred forty-three".