19792257981120 has 672 divisors, whose sum is σ = 72933677856000. Its totient is φ = 4911425003520.

The previous prime is 19792257981091. The next prime is 19792257981121. The reversal of 19792257981120 is 2118975229791.

19792257981120 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 22 + 579 + 8 + 11 + 20 = 666.

It is not an unprimeable number, because it can be changed into a prime (19792257981121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7551413410 + ... + 7551416030.

Almost surely, 2^{19792257981120} is an apocalyptic number.

19792257981120 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 19792257981120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36466838928000).

19792257981120 is an abundant number, since it is smaller than the sum of its proper divisors (53141419874880).

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

19792257981120 is a wasteful number, since it uses less digits than its factorization.

19792257981120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061 (or 5048 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 63.

The spelling of 19792257981120 in words is "nineteen trillion, seven hundred ninety-two billion, two hundred fifty-seven million, nine hundred eighty-one thousand, one hundred twenty".