19880095 has 4 divisors (see below), whose sum is σ = 23856120. Its totient is φ = 15904072.

The previous prime is 19880059. The next prime is 19880101. The reversal of 19880095 is 59008891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19880095 - 2⁹ = 19879583 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1988005 + ... + 1988014.

It is an arithmetic number, because the mean of its divisors is an integer number (5964030).

Almost surely, 2^19880095 is an apocalyptic number.

19880095 is a deficient number, since it is larger than the sum of its proper divisors (3976025).

19880095 is an equidigital number, since it uses as much as digits as its factorization.

19880095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976024.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 19880095 is about 4458.7100152398. The cubic root of 19880095 is about 270.8982202452.

The spelling of 19880095 in words is "nineteen million, eight hundred eighty thousand, ninety-five".