20707012 has 12 divisors (see below), whose sum is σ = 36303120. Its totient is φ = 10334696.

The previous prime is 20706991. The next prime is 20707019. The reversal of 20707012 is 21070702.

It is not an unprimeable number, because it can be changed into a prime (20707019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062 + ... + 6757.

It is an arithmetic number, because the mean of its divisors is an integer number (3025260).

Almost surely, 2^20707012 is an apocalyptic number.

It is an amenable number.

20707012 is a deficient number, since it is larger than the sum of its proper divisors (15596108).

20707012 is a wasteful number, since it uses less digits than its factorization.

20707012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410 (or 9408 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 20707012 is about 4550.4957971632. The cubic root of 20707012 is about 274.6033377681.

Adding to 20707012 its reverse (21070702), we get a palindrome (41777714).

The spelling of 20707012 in words is "twenty million, seven hundred seven thousand, twelve".