520200011 has 4 divisors (see below), whose sum is σ = 520366224. Its totient is φ = 520033800.

The previous prime is 520199989. The next prime is 520200019. The reversal of 520200011 is 110002025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520200011 - 2¹⁸ = 519937867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520199965 and 520200001.

It is not an unprimeable number, because it can be changed into a prime (520200019) 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, 78320 + ... + 84701.

It is an arithmetic number, because the mean of its divisors is an integer number (130091556).

Almost surely, 2^520200011 is an apocalyptic number.

520200011 is a deficient number, since it is larger than the sum of its proper divisors (166213).

520200011 is a wasteful number, since it uses less digits than its factorization.

520200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166212.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 520200011 is about 22807.8936116424. The cubic root of 520200011 is about 804.2482397043.

Adding to 520200011 its reverse (110002025), we get a palindrome (630202036).

The spelling of 520200011 in words is "five hundred twenty million, two hundred thousand, eleven".