19009920082 has 8 divisors (see below), whose sum is σ = 28526714352. Its totient is φ = 9501015300.

The previous prime is 19009920079. The next prime is 19009920091. The reversal of 19009920082 is 28002990091.

19009920082 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×19009920082² (a number of 21 digits) contains 22 as substring.

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, 1966344 + ... + 1975987.

It is an arithmetic number, because the mean of its divisors is an integer number (3565839294).

Almost surely, 2^19009920082 is an apocalyptic number.

19009920082 is a deficient number, since it is larger than the sum of its proper divisors (9516794270).

19009920082 is a wasteful number, since it uses less digits than its factorization.

19009920082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944744.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 19009920082 in words is "nineteen billion, nine million, nine hundred twenty thousand, eighty-two".