196447220 has 24 divisors (see below), whose sum is σ = 422134944. Its totient is φ = 76751136.

The previous prime is 196447219. The next prime is 196447243. The reversal of 196447220 is 22744691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113354 + ... + 115073.

It is an arithmetic number, because the mean of its divisors is an integer number (17588956).

Almost surely, 2^196447220 is an apocalyptic number.

196447220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196447220 is an abundant number, since it is smaller than the sum of its proper divisors (225687724).

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

196447220 is a wasteful number, since it uses less digits than its factorization.

196447220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228479 (or 228477 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 196447220 is about 14015.9630421887. The cubic root of 196447220 is about 581.3200413534.

The spelling of 196447220 in words is "one hundred ninety-six million, four hundred forty-seven thousand, two hundred twenty".