196117220 has 24 divisors (see below), whose sum is σ = 443527224. Its totient is φ = 72412416.

The previous prime is 196117217. The next prime is 196117231. The reversal of 196117220 is 22711691.

It can be written as a sum of positive squares in 4 ways, for example, as 732736 + 195384484 = 856^2 + 13978^2 .

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, 376889 + ... + 377408.

It is an arithmetic number, because the mean of its divisors is an integer number (18480301).

Almost surely, 2^196117220 is an apocalyptic number.

196117220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196117220 is an abundant number, since it is smaller than the sum of its proper divisors (247410004).

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

196117220 is a wasteful number, since it uses less digits than its factorization.

196117220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754319 (or 754317 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 196117220 is about 14004.1858028234. The cubic root of 196117220 is about 580.9943505958.

The spelling of 196117220 in words is "one hundred ninety-six million, one hundred seventeen thousand, two hundred twenty".