194016220 has 24 divisors (see below), whose sum is σ = 428878800. Its totient is φ = 73521792.

The previous prime is 194016211. The next prime is 194016227. The reversal of 194016220 is 22610491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194016227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254905 + ... + 255664.

It is an arithmetic number, because the mean of its divisors is an integer number (17869950).

Almost surely, 2^194016220 is an apocalyptic number.

194016220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194016220 is an abundant number, since it is smaller than the sum of its proper divisors (234862580).

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

194016220 is a wasteful number, since it uses less digits than its factorization.

194016220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510597 (or 510595 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 194016220 is about 13928.9705290807. The cubic root of 194016220 is about 578.9121702510.

The spelling of 194016220 in words is "one hundred ninety-four million, sixteen thousand, two hundred twenty".