194980020 has 24 divisors (see below), whose sum is σ = 545944224. Its totient is φ = 51994656.

The previous prime is 194980013. The next prime is 194980067. The reversal of 194980020 is 20089491.

It is a congruent number.

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, 1624774 + ... + 1624893.

It is an arithmetic number, because the mean of its divisors is an integer number (22747676).

Almost surely, 2^194980020 is an apocalyptic number.

194980020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194980020 is an abundant number, since it is smaller than the sum of its proper divisors (350964204).

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

194980020 is a wasteful number, since it uses less digits than its factorization.

194980020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249679 (or 3249677 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 194980020 is about 13963.5246266836. The cubic root of 194980020 is about 579.8691936487.

The spelling of 194980020 in words is "one hundred ninety-four million, nine hundred eighty thousand, twenty".