19705228376 has 32 divisors (see below), whose sum is σ = 37303308000. Its totient is φ = 9757816320.

The previous prime is 19705228369. The next prime is 19705228451. The reversal of 19705228376 is 67382250791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256906 + ... + 1272486.

It is an arithmetic number, because the mean of its divisors is an integer number (1165728375).

Almost surely, 2^19705228376 is an apocalyptic number.

It is an amenable number.

19705228376 is a deficient number, since it is larger than the sum of its proper divisors (17598079624).

19705228376 is a wasteful number, since it uses less digits than its factorization.

19705228376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17099 (or 17095 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 19705228376 in words is "nineteen billion, seven hundred five million, two hundred twenty-eight thousand, three hundred seventy-six".