20060307 has 6 divisors (see below), whose sum is σ = 28976012. Its totient is φ = 13373532.

The previous prime is 20060297. The next prime is 20060321. The reversal of 20060307 is 70306002.

It is not a de Polignac number, because 20060307 - 2⁴ = 20060291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20060307.

It is not an unprimeable number, because it can be changed into a prime (20060377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114453 + ... + 1114470.

Almost surely, 2^20060307 is an apocalyptic number.

20060307 is a deficient number, since it is larger than the sum of its proper divisors (8915705).

20060307 is a wasteful number, since it uses less digits than its factorization.

20060307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228929 (or 2228926 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 20060307 is about 4478.8734074542. The cubic root of 20060307 is about 271.7143185300.

Adding to 20060307 its reverse (70306002), we get a palindrome (90366309).

The spelling of 20060307 in words is "twenty million, sixty thousand, three hundred seven".