4520540012220 has 48 divisors (see below), whose sum is σ = 14063902261920. Its totient is φ = 1205477336448.

The previous prime is 4520540012207. The next prime is 4520540012243. The reversal of 4520540012220 is 222100450254.

4520540012220 is a `hidden beast` number, since 4 + 5 + 20 + 5 + 400 + 12 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4185684657 + ... + 4185685736.

It is an arithmetic number, because the mean of its divisors is an integer number (292997963790).

Almost surely, 2^{4520540012220} is an apocalyptic number.

It is an amenable number.

4520540012220 is an abundant number, since it is smaller than the sum of its proper divisors (9543362249700).

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

4520540012220 is a wasteful number, since it uses less digits than its factorization.

4520540012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371370411 (or 8371370403 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 4520540012220 its reverse (222100450254), we get a palindrome (4742640462474).

The spelling of 4520540012220 in words is "four trillion, five hundred twenty billion, five hundred forty million, twelve thousand, two hundred twenty".