520000220111 has 8 divisors (see below), whose sum is σ = 534216289200. Its totient is φ = 505792677888.

The previous prime is 520000220101. The next prime is 520000220149. The reversal of 520000220111 is 111022000025.

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

It is a cyclic number.

It is not a de Polignac number, because 520000220111 - 2¹⁰ = 520000219087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520000220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007986 + ... + 2252111.

It is an arithmetic number, because the mean of its divisors is an integer number (66777036150).

Almost surely, 2^520000220111 is an apocalyptic number.

520000220111 is a deficient number, since it is larger than the sum of its proper divisors (14216069089).

520000220111 is a wasteful number, since it uses less digits than its factorization.

520000220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263433.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 520000220111 its reverse (111022000025), we get a palindrome (631022220136).

The spelling of 520000220111 in words is "five hundred twenty billion, two hundred twenty thousand, one hundred eleven".