19999882 has 16 divisors (see below), whose sum is σ = 35122752. Its totient is φ = 8362080.

The previous prime is 19999873. The next prime is 19999891. The reversal of 19999882 is 28899991.

It is an interprime number because it is at equal distance from previous prime (19999873) and next prime (19999891).

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, 16848 + ... + 17995.

It is an arithmetic number, because the mean of its divisors is an integer number (2195172).

Almost surely, 2^19999882 is an apocalyptic number.

19999882 is a deficient number, since it is larger than the sum of its proper divisors (15122870).

19999882 is a wasteful number, since it uses less digits than its factorization.

19999882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34893.

The product of its digits is 839808, while the sum is 55.

The square root of 19999882 is about 4472.1227621791. The cubic root of 19999882 is about 271.4412278230.

It can be divided in two parts, 1999 and 9882, that added together give a square (11881 = 109²).

The spelling of 19999882 in words is "nineteen million, nine hundred ninety-nine thousand, eight hundred eighty-two".