20881482 has 16 divisors (see below), whose sum is σ = 41900160. Its totient is φ = 6937632.

The previous prime is 20881477. The next prime is 20881501. The reversal of 20881482 is 28418802.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3682 + ... + 7437.

It is an arithmetic number, because the mean of its divisors is an integer number (2618760).

Almost surely, 2^20881482 is an apocalyptic number.

20881482 is an abundant number, since it is smaller than the sum of its proper divisors (21018678).

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

20881482 is a wasteful number, since it uses less digits than its factorization.

20881482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11437.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 20881482 is about 4569.6260240856. The cubic root of 20881482 is about 275.3724188400.

It can be divided in two parts, 2088 and 1482, that added together give a triangular number (3570 = T₈₄).

The spelling of 20881482 in words is "twenty million, eight hundred eighty-one thousand, four hundred eighty-two".