20094243 has 8 divisors (see below), whose sum is σ = 28853328. Its totient is φ = 12365664.

The previous prime is 20094241. The next prime is 20094247. The reversal of 20094243 is 34249002.

It is a happy number.

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

It is not a de Polignac number, because 20094243 - 2¹ = 20094241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20094241) 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, 257580 + ... + 257657.

It is an arithmetic number, because the mean of its divisors is an integer number (3606666).

Almost surely, 2^20094243 is an apocalyptic number.

20094243 is a deficient number, since it is larger than the sum of its proper divisors (8759085).

20094243 is a wasteful number, since it uses less digits than its factorization.

20094243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515253.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20094243 is about 4482.6602592657. The cubic root of 20094243 is about 271.8674518184.

The spelling of 20094243 in words is "twenty million, ninety-four thousand, two hundred forty-three".