20630012 has 24 divisors (see below), whose sum is σ = 39003216. Its totient is φ = 9491328.

The previous prime is 20630003. The next prime is 20630021. The reversal of 20630012 is 21003602.

It is an interprime number because it is at equal distance from previous prime (20630003) and next prime (20630021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31763 + ... + 32405.

It is an arithmetic number, because the mean of its divisors is an integer number (1625134).

Almost surely, 2^20630012 is an apocalyptic number.

It is an amenable number.

20630012 is a deficient number, since it is larger than the sum of its proper divisors (18373204).

20630012 is a wasteful number, since it uses less digits than its factorization.

20630012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20630012 is about 4542.0273006665. The cubic root of 20630012 is about 274.2625398431.

Adding to 20630012 its reverse (21003602), we get a palindrome (41633614).

The spelling of 20630012 in words is "twenty million, six hundred thirty thousand, twelve".