20540182 has 16 divisors (see below), whose sum is σ = 35132832. Its totient is φ = 8922240.

The previous prime is 20540171. The next prime is 20540209. The reversal of 20540182 is 28104502.

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, 22794 + ... + 23677.

It is an arithmetic number, because the mean of its divisors is an integer number (2195802).

Almost surely, 2^20540182 is an apocalyptic number.

20540182 is a deficient number, since it is larger than the sum of its proper divisors (14592650).

20540182 is a wasteful number, since it uses less digits than its factorization.

20540182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46503.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 20540182 is about 4532.1277563635. The cubic root of 20540182 is about 273.8638835881.

Adding to 20540182 its reverse (28104502), we get a palindrome (48644684).

The spelling of 20540182 in words is "twenty million, five hundred forty thousand, one hundred eighty-two".