19230084720 has 960 divisors, whose sum is σ = 87014430720. Its totient is φ = 3813765120.

The previous prime is 19230084689. The next prime is 19230084721. The reversal of 19230084720 is 2748003291.

It is a super-3 number, since 3×19230084720³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19230084721) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 42078732 + ... + 42079188.

It is an arithmetic number, because the mean of its divisors is an integer number (90640032).

Almost surely, 2^19230084720 is an apocalyptic number.

19230084720 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 19230084720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43507215360).

19230084720 is an abundant number, since it is smaller than the sum of its proper divisors (67784346000).

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

19230084720 is a wasteful number, since it uses less digits than its factorization.

19230084720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 19230084720 in words is "nineteen billion, two hundred thirty million, eighty-four thousand, seven hundred twenty".