20338248 has 32 divisors (see below), whose sum is σ = 58109760. Its totient is φ = 5810880.

The previous prime is 20338247. The next prime is 20338259. The reversal of 20338248 is 84283302.

It is not an unprimeable number, because it can be changed into a prime (20338243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60363 + ... + 60698.

It is an arithmetic number, because the mean of its divisors is an integer number (1815930).

Almost surely, 2^20338248 is an apocalyptic number.

20338248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20338248 is an abundant number, since it is smaller than the sum of its proper divisors (37771512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20338248 is a wasteful number, since it uses less digits than its factorization.

20338248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121077 (or 121073 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20338248 is about 4509.7946738183. The cubic root of 20338248 is about 272.9634589958.

The spelling of 20338248 in words is "twenty million, three hundred thirty-eight thousand, two hundred forty-eight".