20334243 has 8 divisors (see below), whose sum is σ = 27194128. Its totient is φ = 13515264.

The previous prime is 20334241. The next prime is 20334257. The reversal of 20334243 is 34243302.

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

It is not a de Polignac number, because 20334243 - 2¹ = 20334241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20334241) 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, 9046 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (3399266).

Almost surely, 2^20334243 is an apocalyptic number.

20334243 is a deficient number, since it is larger than the sum of its proper divisors (6859885).

20334243 is a wasteful number, since it uses less digits than its factorization.

20334243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20453.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 20334243 is about 4509.3506184372. The cubic root of 20334243 is about 272.9455405330.

Adding to 20334243 its reverse (34243302), we get a palindrome (54577545).

The spelling of 20334243 in words is "twenty million, three hundred thirty-four thousand, two hundred forty-three".