818030202 has 64 divisors (see below), whose sum is σ = 1874188800. Its totient is φ = 235730880.

The previous prime is 818030177. The next prime is 818030207. The reversal of 818030202 is 202030818.

It is a super-2 number, since 2×818030202² = 1338346822768321608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (818030207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125049 + ... + 131427.

It is an arithmetic number, because the mean of its divisors is an integer number (29284200).

Almost surely, 2^818030202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818030202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937094400).

818030202 is an abundant number, since it is smaller than the sum of its proper divisors (1056158598).

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

818030202 is a wasteful number, since it uses less digits than its factorization.

818030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 818030202 is about 28601.2272813598. The cubic root of 818030202 is about 935.2400851434.

The spelling of 818030202 in words is "eight hundred eighteen million, thirty thousand, two hundred two".