20060930 has 8 divisors (see below), whose sum is σ = 36109692. Its totient is φ = 8024368.

The previous prime is 20060927. The next prime is 20060933. The reversal of 20060930 is 3906002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20060927) and next prime (20060933).

It can be written as a sum of positive squares in 2 ways, for example, as 19616041 + 444889 = 4429^2 + 667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20060933) 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, 1003037 + ... + 1003056.

Almost surely, 2^20060930 is an apocalyptic number.

20060930 is a deficient number, since it is larger than the sum of its proper divisors (16048762).

20060930 is a wasteful number, since it uses less digits than its factorization.

20060930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006100.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 20060930 is about 4478.9429556537. The cubic root of 20060930 is about 271.7171313196.

Adding to 20060930 its reverse (3906002), we get a palindrome (23966932).

The spelling of 20060930 in words is "twenty million, sixty thousand, nine hundred thirty".