1820018182 has 8 divisors (see below), whose sum is σ = 2757057552. Its totient is φ = 900999000.

The previous prime is 1820018171. The next prime is 1820018203. The reversal of 1820018182 is 2818100281.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504794 + ... + 4505197.

It is an arithmetic number, because the mean of its divisors is an integer number (344632194).

Almost surely, 2^1820018182 is an apocalyptic number.

1820018182 is a deficient number, since it is larger than the sum of its proper divisors (937039370).

1820018182 is a wasteful number, since it uses less digits than its factorization.

1820018182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010094.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 1820018182 is about 42661.6711111977. The cubic root of 1820018182 is about 1220.9332154720.

The spelling of 1820018182 in words is "one billion, eight hundred twenty million, eighteen thousand, one hundred eighty-two".