19797160200 has 192 divisors, whose sum is σ = 64700025600. Its totient is φ = 4993747200.

The previous prime is 19797160199. The next prime is 19797160237. The reversal of 19797160200 is 206179791.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13348659 + ... + 13350141.

It is an arithmetic number, because the mean of its divisors is an integer number (336979300).

Almost surely, 2^19797160200 is an apocalyptic number.

19797160200 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 19797160200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32350012800).

19797160200 is an abundant number, since it is smaller than the sum of its proper divisors (44902865400).

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

19797160200 is a wasteful number, since it uses less digits than its factorization.

19797160200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 42.

The spelling of 19797160200 in words is "nineteen billion, seven hundred ninety-seven million, one hundred sixty thousand, two hundred".