5205520212 has 24 divisors (see below), whose sum is σ = 12785488800. Its totient is φ = 1643848416.

The previous prime is 5205520127. The next prime is 5205520237. The reversal of 5205520212 is 2120255025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11415387 + ... + 11415842.

It is an arithmetic number, because the mean of its divisors is an integer number (532728700).

Almost surely, 2^5205520212 is an apocalyptic number.

It is an amenable number.

5205520212 is an abundant number, since it is smaller than the sum of its proper divisors (7579968588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5205520212 is a wasteful number, since it uses less digits than its factorization.

5205520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22831255 (or 22831253 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5205520212 is about 72149.2911399689. The cubic root of 5205520212 is about 1733.0910481698.

Adding to 5205520212 its reverse (2120255025), we get a palindrome (7325775237).

The spelling of 5205520212 in words is "five billion, two hundred five million, five hundred twenty thousand, two hundred twelve".