20419882 has 16 divisors (see below), whose sum is σ = 35212032. Its totient is φ = 8699760.

The previous prime is 20419871. The next prime is 20419897. The reversal of 20419882 is 28891402.

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, 1794 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (2200752).

Almost surely, 2^20419882 is an apocalyptic number.

20419882 is a deficient number, since it is larger than the sum of its proper divisors (14792150).

20419882 is a wasteful number, since it uses less digits than its factorization.

20419882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 20419882 is about 4518.8363546382. The cubic root of 20419882 is about 273.3281798883.

The spelling of 20419882 in words is "twenty million, four hundred nineteen thousand, eight hundred eighty-two".