2801802002 has 8 divisors (see below), whose sum is σ = 4210740336. Its totient is φ = 1398221892.

The previous prime is 2801802001. The next prime is 2801802007. The reversal of 2801802002 is 2002081082.

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

It is a super-2 number, since 2×2801802002² = 15700188916822416008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2801802001) by changing a digit.

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, 1338248 + ... + 1340339.

It is an arithmetic number, because the mean of its divisors is an integer number (526342542).

Almost surely, 2^2801802002 is an apocalyptic number.

2801802002 is a deficient number, since it is larger than the sum of its proper divisors (1408938334).

2801802002 is a wasteful number, since it uses less digits than its factorization.

2801802002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679112.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2801802002 is about 52932.0508010034. The cubic root of 2801802002 is about 1409.7620445818.

Adding to 2801802002 its reverse (2002081082), we get a palindrome (4803883084).

The spelling of 2801802002 in words is "two billion, eight hundred one million, eight hundred two thousand, two".