19880293 has 8 divisors (see below), whose sum is σ = 21107520. Its totient is φ = 18659520.

The previous prime is 19880261. The next prime is 19880297. The reversal of 19880293 is 39208891.

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

It is a cyclic number.

It is not a de Polignac number, because 19880293 - 2⁵ = 19880261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19880297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5728 + ... + 8518.

It is an arithmetic number, because the mean of its divisors is an integer number (2638440).

Almost surely, 2^19880293 is an apocalyptic number.

It is an amenable number.

19880293 is a deficient number, since it is larger than the sum of its proper divisors (1227227).

19880293 is a wasteful number, since it uses less digits than its factorization.

19880293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 19880293 is about 4458.7322189160. The cubic root of 19880293 is about 270.8991195982.

The spelling of 19880293 in words is "nineteen million, eight hundred eighty thousand, two hundred ninety-three".