1820182002 has 32 divisors (see below), whose sum is σ = 3733247232. Its totient is φ = 591309264.

The previous prime is 1820181977. The next prime is 1820182087. The reversal of 1820182002 is 2002810281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112933 + ... + 128039.

It is an arithmetic number, because the mean of its divisors is an integer number (116663976).

Almost surely, 2^1820182002 is an apocalyptic number.

1820182002 is an abundant number, since it is smaller than the sum of its proper divisors (1913065230).

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

1820182002 is a wasteful number, since it uses less digits than its factorization.

1820182002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15622.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1820182002 is about 42663.5910584189. The cubic root of 1820182002 is about 1220.9698464758.

Adding to 1820182002 its reverse (2002810281), we get a palindrome (3822992283).

The spelling of 1820182002 in words is "one billion, eight hundred twenty million, one hundred eighty-two thousand, two".