20334238 has 8 divisors (see below), whose sum is σ = 31325832. Its totient is φ = 9892296.

The previous prime is 20334217. The next prime is 20334239. The reversal of 20334238 is 83243302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137320 + ... + 137467.

It is an arithmetic number, because the mean of its divisors is an integer number (3915729).

Almost surely, 2^20334238 is an apocalyptic number.

20334238 is a deficient number, since it is larger than the sum of its proper divisors (10991594).

20334238 is a wasteful number, since it uses less digits than its factorization.

20334238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274826.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20334238 is about 4509.3500640336. The cubic root of 20334238 is about 272.9455181614.

The spelling of 20334238 in words is "twenty million, three hundred thirty-four thousand, two hundred thirty-eight".