19303212080 has 80 divisors (see below), whose sum is σ = 45903490560. Its totient is φ = 7545689856.

The previous prime is 19303212079. The next prime is 19303212109. The reversal of 19303212080 is 8021230391.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×19303212080² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775167 + ... + 2782113.

It is an arithmetic number, because the mean of its divisors is an integer number (573793632).

Almost surely, 2^19303212080 is an apocalyptic number.

19303212080 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 19303212080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22951745280).

19303212080 is an abundant number, since it is smaller than the sum of its proper divisors (26600278480).

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

19303212080 is a wasteful number, since it uses less digits than its factorization.

19303212080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746 (or 7740 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 19303212080 in words is "nineteen billion, three hundred three million, two hundred twelve thousand, eighty".