19797241120 has 24 divisors (see below), whose sum is σ = 46770982524. Its totient is φ = 7918896384.

The previous prime is 19797241109. The next prime is 19797241129. The reversal of 19797241120 is 2114279791.

It can be written as a sum of positive squares in 2 ways, for example, as 19791987856 + 5253264 = 140684^2 + 2292^2 .

It is not an unprimeable number, because it can be changed into a prime (19797241129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61866219 + ... + 61866538.

Almost surely, 2^19797241120 is an apocalyptic number.

19797241120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19797241120 is an abundant number, since it is smaller than the sum of its proper divisors (26973741404).

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

19797241120 is a wasteful number, since it uses less digits than its factorization.

19797241120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123732772 (or 123732764 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 19797241120 in words is "nineteen billion, seven hundred ninety-seven million, two hundred forty-one thousand, one hundred twenty".