202019982 has 8 divisors (see below), whose sum is σ = 404039976. Its totient is φ = 67339992.

The previous prime is 202019969. The next prime is 202020019. The reversal of 202019982 is 289910202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

202019982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16834993 + ... + 16835004.

It is an arithmetic number, because the mean of its divisors is an integer number (50504997).

Almost surely, 2^202019982 is an apocalyptic number.

202019982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202019982 is a wasteful number, since it uses less digits than its factorization.

202019982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33670002.

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

The square root of 202019982 is about 14213.3733504752. The cubic root of 202019982 is about 586.7657773469.

The spelling of 202019982 in words is "two hundred two million, nineteen thousand, nine hundred eighty-two".