19983800196 has 192 divisors, whose sum is σ = 55202703360. Its totient is φ = 6240706560.

The previous prime is 19983800167. The next prime is 19983800197. The reversal of 19983800196 is 69100838991.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (19983800197) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43728000 + ... + 43728456.

It is an arithmetic number, because the mean of its divisors is an integer number (287514080).

Almost surely, 2^19983800196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19983800196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27601351680).

19983800196 is an abundant number, since it is smaller than the sum of its proper divisors (35218903164).

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

19983800196 is a wasteful number, since it uses less digits than its factorization.

19983800196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 19983800196 in words is "nineteen billion, nine hundred eighty-three million, eight hundred thousand, one hundred ninety-six".