20903382 has 24 divisors (see below), whose sum is σ = 47675160. Its totient is φ = 6600960.

The previous prime is 20903371. The next prime is 20903411. The reversal of 20903382 is 28330902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30219 + ... + 30902.

It is an arithmetic number, because the mean of its divisors is an integer number (1986465).

Almost surely, 2^20903382 is an apocalyptic number.

20903382 is an abundant number, since it is smaller than the sum of its proper divisors (26771778).

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

20903382 is a wasteful number, since it uses less digits than its factorization.

20903382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61148 (or 61145 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20903382 is about 4572.0216534920. The cubic root of 20903382 is about 275.4686532121.

The spelling of 20903382 in words is "twenty million, nine hundred three thousand, three hundred eighty-two".