20094943 has 8 divisors (see below), whose sum is σ = 22055040. Its totient is φ = 18157080.

The previous prime is 20094937. The next prime is 20094953. The reversal of 20094943 is 34949002.

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 20094943 - 2¹⁷ = 19963871 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 (20094953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633 + ... + 7306.

It is an arithmetic number, because the mean of its divisors is an integer number (2756880).

Almost surely, 2^20094943 is an apocalyptic number.

20094943 is a deficient number, since it is larger than the sum of its proper divisors (1960097).

20094943 is a wasteful number, since it uses less digits than its factorization.

20094943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11117.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 20094943 is about 4482.7383372220. The cubic root of 20094943 is about 271.8706086929.

The spelling of 20094943 in words is "twenty million, ninety-four thousand, nine hundred forty-three".