19995582306 has 32 divisors (see below), whose sum is σ = 46767080448. Its totient is φ = 5580162000.

The previous prime is 19995582253. The next prime is 19995582319. The reversal of 19995582306 is 60328559991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5534070 + ... + 5537681.

It is an arithmetic number, because the mean of its divisors is an integer number (1461471264).

Almost surely, 2^19995582306 is an apocalyptic number.

19995582306 is an abundant number, since it is smaller than the sum of its proper divisors (26771498142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19995582306 is a wasteful number, since it uses less digits than its factorization.

19995582306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071806.

The product of its (nonzero) digits is 5248800, while the sum is 57.

The spelling of 19995582306 in words is "nineteen billion, nine hundred ninety-five million, five hundred eighty-two thousand, three hundred six".