196320220 has 24 divisors (see below), whose sum is σ = 413036064. Its totient is φ = 78382656.

The previous prime is 196320209. The next prime is 196320239. The reversal of 196320220 is 22023691.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329 + ... + 19951.

It is an arithmetic number, because the mean of its divisors is an integer number (17209836).

Almost surely, 2^196320220 is an apocalyptic number.

196320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196320220 is an abundant number, since it is smaller than the sum of its proper divisors (216715844).

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

196320220 is a wasteful number, since it uses less digits than its factorization.

196320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18189 (or 18187 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 196320220 is about 14011.4317612441. The cubic root of 196320220 is about 581.1947429646.

The spelling of 196320220 in words is "one hundred ninety-six million, three hundred twenty thousand, two hundred twenty".