2000181982 has 16 divisors (see below), whose sum is σ = 3161724192. Its totient is φ = 947135200.

The previous prime is 2000181977. The next prime is 2000181991. The reversal of 2000181982 is 2891810002.

It is a happy number.

It is a super-2 number, since 2×2000181982² = 8001455922234896648, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 210613 + ... + 219904.

It is an arithmetic number, because the mean of its divisors is an integer number (197607762).

Almost surely, 2^2000181982 is an apocalyptic number.

2000181982 is a deficient number, since it is larger than the sum of its proper divisors (1161542210).

2000181982 is a wasteful number, since it uses less digits than its factorization.

2000181982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430643.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 2000181982 is about 44723.3941243283. The cubic root of 2000181982 is about 1259.9592625613.

Adding to 2000181982 its reverse (2891810002), we get a palindrome (4891991984).

The spelling of 2000181982 in words is "two billion, one hundred eighty-one thousand, nine hundred eighty-two".