2030018 has 4 divisors (see below), whose sum is σ = 3045030. Its totient is φ = 1015008.

The previous prime is 2030009. The next prime is 2030051. The reversal of 2030018 is 8100302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 499849 = 1237^2 + 707^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2029984 and 2030011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507503 + ... + 507506.

2^2030018 is an apocalyptic number.

2030018 is a deficient number, since it is larger than the sum of its proper divisors (1015012).

2030018 is a wasteful number, since it uses less digits than its factorization.

2030018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015011.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2030018 is about 1424.7870016252. The cubic root of 2030018 is about 126.6193159426.

The spelling of 2030018 in words is "two million, thirty thousand, eighteen".