5523212020 has 12 divisors (see below), whose sum is σ = 11598745284. Its totient is φ = 2209284800.

The previous prime is 5523211997. The next prime is 5523212021. The reversal of 5523212020 is 202123255.

It can be written as a sum of positive squares in 2 ways, for example, as 3788156304 + 1735055716 = 61548^2 + 41654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5523211982 and 5523212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5523212021) 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, 138080281 + ... + 138080320.

It is an arithmetic number, because the mean of its divisors is an integer number (966562107).

Almost surely, 2^5523212020 is an apocalyptic number.

It is an amenable number.

5523212020 is an abundant number, since it is smaller than the sum of its proper divisors (6075533264).

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

5523212020 is a wasteful number, since it uses less digits than its factorization.

5523212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276160610 (or 276160608 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5523212020 is about 74318.3155083590. The cubic root of 5523212020 is about 1767.6539102157.

Adding to 5523212020 its reverse (202123255), we get a palindrome (5725335275).

The spelling of 5523212020 in words is "five billion, five hundred twenty-three million, two hundred twelve thousand, twenty".