20060513 has 4 divisors (see below), whose sum is σ = 21884208. Its totient is φ = 18236820.

The previous prime is 20060507. The next prime is 20060569. The reversal of 20060513 is 31506002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20060513 - 2⁴ = 20060497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20060491 and 20060500.

It is not an unprimeable number, because it can be changed into a prime (20060113) 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, 911831 + ... + 911852.

It is an arithmetic number, because the mean of its divisors is an integer number (5471052).

Almost surely, 2^20060513 is an apocalyptic number.

It is an amenable number.

20060513 is a deficient number, since it is larger than the sum of its proper divisors (1823695).

20060513 is a wasteful number, since it uses less digits than its factorization.

20060513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823694.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 20060513 is about 4478.8964042496. The cubic root of 20060513 is about 271.7152486081.

Adding to 20060513 its reverse (31506002), we get a palindrome (51566515).

The spelling of 20060513 in words is "twenty million, sixty thousand, five hundred thirteen".