20152382 has 4 divisors (see below), whose sum is σ = 30228576. Its totient is φ = 10076190.

The previous prime is 20152381. The next prime is 20152397. The reversal of 20152382 is 28325102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20152382² = 812237000547848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152381) 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 as a sum of consecutive naturals, namely, 5038094 + ... + 5038097.

It is an arithmetic number, because the mean of its divisors is an integer number (7557144).

Almost surely, 2^20152382 is an apocalyptic number.

20152382 is a deficient number, since it is larger than the sum of its proper divisors (10076194).

20152382 is a wasteful number, since it uses less digits than its factorization.

20152382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076193.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20152382 is about 4489.1404522470. The cubic root of 20152382 is about 272.1293988551.

Adding to 20152382 its reverse (28325102), we get a palindrome (48477484).

The spelling of 20152382 in words is "twenty million, one hundred fifty-two thousand, three hundred eighty-two".