19328773620 has 96 divisors (see below), whose sum is σ = 58357635840. Its totient is φ = 4751815680.

The previous prime is 19328773591. The next prime is 19328773627. The reversal of 19328773620 is 2637782391.

It is a self number, because there is not a number n which added to its sum of digits gives 19328773620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19328773627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615705 + ... + 646335.

It is an arithmetic number, because the mean of its divisors is an integer number (607892040).

Almost surely, 2^19328773620 is an apocalyptic number.

19328773620 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 19328773620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29178817920).

19328773620 is an abundant number, since it is smaller than the sum of its proper divisors (39028862220).

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

19328773620 is a wasteful number, since it uses less digits than its factorization.

19328773620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31465 (or 31463 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 19328773620 in words is "nineteen billion, three hundred twenty-eight million, seven hundred seventy-three thousand, six hundred twenty".