20500882 has 8 divisors (see below), whose sum is σ = 31172796. Its totient is φ = 10109952.

The previous prime is 20500871. The next prime is 20500897. The reversal of 20500882 is 28800502.

It can be written as a sum of positive squares in 2 ways, for example, as 19793601 + 707281 = 4449^2 + 841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 70063 + ... + 70354.

Almost surely, 2^20500882 is an apocalyptic number.

20500882 is a deficient number, since it is larger than the sum of its proper divisors (10671914).

20500882 is a wasteful number, since it uses less digits than its factorization.

20500882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140492.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 20500882 is about 4527.7899686271. The cubic root of 20500882 is about 273.6891087297.

The spelling of 20500882 in words is "twenty million, five hundred thousand, eight hundred eighty-two".