20488084 has 12 divisors (see below), whose sum is σ = 36823444. Its totient is φ = 9967104.

The previous prime is 20488063. The next prime is 20488093. The reversal of 20488084 is 48088402.

It can be written as a sum of positive squares in 2 ways, for example, as 19802500 + 685584 = 4450^2 + 828^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 69069 + ... + 69364.

Almost surely, 2^20488084 is an apocalyptic number.

It is an amenable number.

20488084 is a deficient number, since it is larger than the sum of its proper divisors (16335360).

20488084 is a wasteful number, since it uses less digits than its factorization.

20488084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138474 (or 138472 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 20488084 is about 4526.3764757254. The cubic root of 20488084 is about 273.6321452889.

It can be divided in two parts, 204 and 88084, that added together give a palindrome (88288).

The spelling of 20488084 in words is "twenty million, four hundred eighty-eight thousand, eighty-four".