19713024000 has 896 divisors, whose sum is σ = 78512578560. Its totient is φ = 4866048000.

The previous prime is 19713023989. The next prime is 19713024011. The reversal of 19713024000 is 42031791.

It is an interprime number because it is at equal distance from previous prime (19713023989) and next prime (19713024011).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 635903985 + ... + 635904015.

Almost surely, 2^19713024000 is an apocalyptic number.

19713024000 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 19713024000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39256289280).

19713024000 is an abundant number, since it is smaller than the sum of its proper divisors (58799554560).

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

19713024000 is an equidigital number, since it uses as much as digits as its factorization.

19713024000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 19713024000 its reverse (42031791), we get a palindrome (19755055791).

The spelling of 19713024000 in words is "nineteen billion, seven hundred thirteen million, twenty-four thousand".