20332238 has 8 divisors (see below), whose sum is σ = 32292432. Its totient is φ = 9568096.

The previous prime is 20332229. The next prime is 20332241. The reversal of 20332238 is 83223302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298970 + ... + 299037.

It is an arithmetic number, because the mean of its divisors is an integer number (4036554).

Almost surely, 2^20332238 is an apocalyptic number.

20332238 is a deficient number, since it is larger than the sum of its proper divisors (11960194).

20332238 is a wasteful number, since it uses less digits than its factorization.

20332238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598026.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20332238 is about 4509.1282971324. The cubic root of 20332238 is about 272.9365692327.

The spelling of 20332238 in words is "twenty million, three hundred thirty-two thousand, two hundred thirty-eight".