19924713072 has 280 divisors, whose sum is σ = 63936407808. Its totient is φ = 5961859200.

The previous prime is 19924713041. The next prime is 19924713091. The reversal of 19924713072 is 27031742991.

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 10648297 + ... + 10650167.

Almost surely, 2^19924713072 is an apocalyptic number.

19924713072 is a gapful number since it is divisible by the number (12) 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 19924713072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31968203904).

19924713072 is an abundant number, since it is smaller than the sum of its proper divisors (44011694736).

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

19924713072 is a wasteful number, since it uses less digits than its factorization.

19924713072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 19924713072 in words is "nineteen billion, nine hundred twenty-four million, seven hundred thirteen thousand, seventy-two".