20382135 has 8 divisors (see below), whose sum is σ = 32611440. Its totient is φ = 10870464.

The previous prime is 20382127. The next prime is 20382139. The reversal of 20382135 is 53128302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20382135 - 2³ = 20382127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382139) 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 7 ways as a sum of consecutive naturals, for example, 679390 + ... + 679419.

It is an arithmetic number, because the mean of its divisors is an integer number (4076430).

Almost surely, 2^20382135 is an apocalyptic number.

20382135 is a deficient number, since it is larger than the sum of its proper divisors (12229305).

20382135 is a wasteful number, since it uses less digits than its factorization.

20382135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358817.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20382135 is about 4514.6577943406. The cubic root of 20382135 is about 273.1596565071.

The spelling of 20382135 in words is "twenty million, three hundred eighty-two thousand, one hundred thirty-five".