196255420 has 36 divisors (see below), whose sum is σ = 425901672. Its totient is φ = 75962400.

The previous prime is 196255403. The next prime is 196255439. The reversal of 196255420 is 24552691.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 14115 + ... + 24325.

It is an arithmetic number, because the mean of its divisors is an integer number (11830602).

Almost surely, 2^196255420 is an apocalyptic number.

196255420 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 196255420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212950836).

196255420 is an abundant number, since it is smaller than the sum of its proper divisors (229646252).

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

196255420 is a wasteful number, since it uses less digits than its factorization.

196255420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10282 (or 10249 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 196255420 is about 14009.1191728816. The cubic root of 196255420 is about 581.1307903676.

The spelling of 196255420 in words is "one hundred ninety-six million, two hundred fifty-five thousand, four hundred twenty".