20030012 has 18 divisors (see below), whose sum is σ = 37237872. Its totient is φ = 9425344.

The previous prime is 20030011. The next prime is 20030027. The reversal of 20030012 is 21003002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030011) 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 5 ways as a sum of consecutive naturals, for example, 7508 + ... + 9819.

Almost surely, 2^20030012 is an apocalyptic number.

It is an amenable number.

20030012 is a deficient number, since it is larger than the sum of its proper divisors (17207860).

20030012 is a wasteful number, since it uses less digits than its factorization.

20030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17365 (or 17346 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20030012 is about 4475.4901407555. The cubic root of 20030012 is about 271.5774689705.

Adding to 20030012 its reverse (21003002), we get a palindrome (41033014).

The spelling of 20030012 in words is "twenty million, thirty thousand, twelve".