196813220 has 12 divisors (see below), whose sum is σ = 413307804. Its totient is φ = 78725280.

The previous prime is 196813219. The next prime is 196813247. The reversal of 196813220 is 22318691.

196813220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124188736 + 72624484 = 11144^2 + 8522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4920311 + ... + 4920350.

It is an arithmetic number, because the mean of its divisors is an integer number (34442317).

Almost surely, 2^196813220 is an apocalyptic number.

196813220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196813220 is an abundant number, since it is smaller than the sum of its proper divisors (216494584).

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

196813220 is a wasteful number, since it uses less digits than its factorization.

196813220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840670 (or 9840668 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 196813220 is about 14029.0135077275. The cubic root of 196813220 is about 581.6808356998.

The spelling of 196813220 in words is "one hundred ninety-six million, eight hundred thirteen thousand, two hundred twenty".