20060613 has 12 divisors (see below), whose sum is σ = 29129100. Its totient is φ = 13303296.

The previous prime is 20060611. The next prime is 20060633. The reversal of 20060613 is 31606002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13264164 + 6796449 = 3642^2 + 2607^2 .

It is not a de Polignac number, because 20060613 - 2¹ = 20060611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060611) 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 11 ways as a sum of consecutive naturals, for example, 4038 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (2427425).

Almost surely, 2^20060613 is an apocalyptic number.

It is an amenable number.

20060613 is a deficient number, since it is larger than the sum of its proper divisors (9068487).

20060613 is a wasteful number, since it uses less digits than its factorization.

20060613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748 (or 11745 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 20060613 is about 4478.9075677000. The cubic root of 20060613 is about 271.7157001001.

Adding to 20060613 its reverse (31606002), we get a palindrome (51666615).

The spelling of 20060613 in words is "twenty million, sixty thousand, six hundred thirteen".