19880980080 has 160 divisors (see below), whose sum is σ = 66757352256. Its totient is φ = 4865359872.

The previous prime is 19880980069. The next prime is 19880980081. The reversal of 19880980080 is 8008908891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19880980081) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 521344 + ... + 558176.

Almost surely, 2^19880980080 is an apocalyptic number.

19880980080 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 19880980080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33378676128).

19880980080 is an abundant number, since it is smaller than the sum of its proper divisors (46876372176).

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

19880980080 is a wasteful number, since it uses less digits than its factorization.

19880980080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37035 (or 37029 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 51.

The spelling of 19880980080 in words is "nineteen billion, eight hundred eighty million, nine hundred eighty thousand, eighty".