19792483920 has 640 divisors, whose sum is σ = 82923264000. Its totient is φ = 4276592640.

The previous prime is 19792483891. The next prime is 19792483927. The reversal of 19792483920 is 2938429791.

19792483920 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 248 + 392 + 0 = 666.

It is a super-3 number, since 3×19792483920³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19792483927) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 7673191 + ... + 7675769.

It is an arithmetic number, because the mean of its divisors is an integer number (129567600).

Almost surely, 2^19792483920 is an apocalyptic number.

19792483920 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 19792483920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41461632000).

19792483920 is an abundant number, since it is smaller than the sum of its proper divisors (63130780080).

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

19792483920 is a wasteful number, since it uses less digits than its factorization.

19792483920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 19792483920 in words is "nineteen billion, seven hundred ninety-two million, four hundred eighty-three thousand, nine hundred twenty".