19996110 has 48 divisors (see below), whose sum is σ = 53267760. Its totient is φ = 5201280.

The previous prime is 19996099. The next prime is 19996121. The reversal of 19996110 is 1169991.

It is an interprime number because it is at equal distance from previous prime (19996099) and next prime (19996121).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 981 + ... + 6399.

It is an arithmetic number, because the mean of its divisors is an integer number (1109745).

Almost surely, 2^19996110 is an apocalyptic number.

19996110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19996110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26633880).

19996110 is an abundant number, since it is smaller than the sum of its proper divisors (33271650).

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

19996110 is a wasteful number, since it uses less digits than its factorization.

19996110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473 (or 5470 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 19996110 is about 4471.7010186281. The cubic root of 19996110 is about 271.4241620442.

The spelling of 19996110 in words is "nineteen million, nine hundred ninety-six thousand, one hundred ten".