20958343 has 8 divisors (see below), whose sum is σ = 24222240. Its totient is φ = 17761920.

The previous prime is 20958341. The next prime is 20958361. The reversal of 20958343 is 34385902.

It is a happy number.

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 20958343 - 2¹ = 20958341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20958299 and 20958308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20958341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16198 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (3027780).

Almost surely, 2^20958343 is an apocalyptic number.

20958343 is a deficient number, since it is larger than the sum of its proper divisors (3263897).

20958343 is an equidigital number, since it uses as much as digits as its factorization.

20958343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33737.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20958343 is about 4578.0282873744. The cubic root of 20958343 is about 275.7098706833.

The spelling of 20958343 in words is "twenty million, nine hundred fifty-eight thousand, three hundred forty-three".