20265382 has 16 divisors (see below), whose sum is σ = 31509504. Its totient is φ = 9765000.

The previous prime is 20265299. The next prime is 20265391. The reversal of 20265382 is 28356202.

It is a self number, because there is not a number n which added to its sum of digits gives 20265382.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18757 + ... + 19807.

It is an arithmetic number, because the mean of its divisors is an integer number (1969344).

Almost surely, 2^20265382 is an apocalyptic number.

20265382 is a deficient number, since it is larger than the sum of its proper divisors (11244122).

20265382 is a wasteful number, since it uses less digits than its factorization.

20265382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20265382 is about 4501.7087866720. The cubic root of 20265382 is about 272.6370861463.

The spelling of 20265382 in words is "twenty million, two hundred sixty-five thousand, three hundred eighty-two".