20180382 has 16 divisors (see below), whose sum is σ = 40441872. Its totient is φ = 6713280.

The previous prime is 20180359. The next prime is 20180387. The reversal of 20180382 is 28308102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20180387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138 + ... + 6354.

It is an arithmetic number, because the mean of its divisors is an integer number (2527617).

Almost surely, 2^20180382 is an apocalyptic number.

20180382 is an abundant number, since it is smaller than the sum of its proper divisors (20261490).

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

20180382 is a wasteful number, since it uses less digits than its factorization.

20180382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 20180382 is about 4492.2580068380. The cubic root of 20180382 is about 272.2553739871.

Adding to 20180382 its reverse (28308102), we get a palindrome (48488484).

The spelling of 20180382 in words is "twenty million, one hundred eighty thousand, three hundred eighty-two".