20338254 has 24 divisors (see below), whose sum is σ = 44791032. Its totient is φ = 6667920.

The previous prime is 20338247. The next prime is 20338259. The reversal of 20338254 is 45283302.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20338259) 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 11 ways as a sum of consecutive naturals, for example, 8164 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (1866293).

Almost surely, 2^20338254 is an apocalyptic number.

20338254 is an abundant number, since it is smaller than the sum of its proper divisors (24452778).

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

20338254 is a wasteful number, since it uses less digits than its factorization.

20338254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18592 (or 18589 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20338254 is about 4509.7953390370. The cubic root of 20338254 is about 272.9634858381.

The spelling of 20338254 in words is "twenty million, three hundred thirty-eight thousand, two hundred fifty-four".