1800002082 has 16 divisors (see below), whose sum is σ = 3650709312. Its totient is φ = 591549840.

The previous prime is 1800002081. The next prime is 1800002089. The reversal of 1800002082 is 2802000081.

It is not an unprimeable number, because it can be changed into a prime (1800002081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112253 + ... + 2113104.

It is an arithmetic number, because the mean of its divisors is an integer number (228169332).

Almost surely, 2^1800002082 is an apocalyptic number.

1800002082 is an abundant number, since it is smaller than the sum of its proper divisors (1850707230).

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

1800002082 is a wasteful number, since it uses less digits than its factorization.

1800002082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225433.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1800002082 is about 42426.4314077911. The cubic root of 1800002082 is about 1216.4408681199.

The spelling of 1800002082 in words is "one billion, eight hundred million, two thousand, eighty-two".