197996120 has 64 divisors (see below), whose sum is σ = 515635200. Its totient is φ = 67017600.

The previous prime is 197996119. The next prime is 197996147. The reversal of 197996120 is 21699791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17645 + ... + 26595.

It is an arithmetic number, because the mean of its divisors is an integer number (8056800).

Almost surely, 2^197996120 is an apocalyptic number.

197996120 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 197996120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257817600).

197996120 is an abundant number, since it is smaller than the sum of its proper divisors (317639080).

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

197996120 is a wasteful number, since it uses less digits than its factorization.

197996120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048 (or 9044 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 197996120 is about 14071.1094089983. The cubic root of 197996120 is about 582.8438611472.

The spelling of 197996120 in words is "one hundred ninety-seven million, nine hundred ninety-six thousand, one hundred twenty".