19928882 has 8 divisors (see below), whose sum is σ = 30339696. Its totient is φ = 9815652.

The previous prime is 19928863. The next prime is 19928917. The reversal of 19928882 is 28882991.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74228 + ... + 74495.

It is an arithmetic number, because the mean of its divisors is an integer number (3792462).

Almost surely, 2^19928882 is an apocalyptic number.

19928882 is a deficient number, since it is larger than the sum of its proper divisors (10410814).

19928882 is a wasteful number, since it uses less digits than its factorization.

19928882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148792.

The product of its digits is 165888, while the sum is 47.

The square root of 19928882 is about 4464.1776398347. The cubic root of 19928882 is about 271.1196396259.

The spelling of 19928882 in words is "nineteen million, nine hundred twenty-eight thousand, eight hundred eighty-two".