19960080 has 120 divisors (see below), whose sum is σ = 71370432. Its totient is φ = 4520448.

The previous prime is 19960079. The next prime is 19960093. The reversal of 19960080 is 8006991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183066 + ... + 183174.

Almost surely, 2^19960080 is an apocalyptic number.

19960080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19960080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35685216).

19960080 is an abundant number, since it is smaller than the sum of its proper divisors (51410352).

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

19960080 is a wasteful number, since it uses less digits than its factorization.

19960080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 19960080 is about 4467.6705339584. The cubic root of 19960080 is about 271.2610421153.

The spelling of 19960080 in words is "nineteen million, nine hundred sixty thousand, eighty".