2220210252520 has 32 divisors (see below), whose sum is σ = 5379740228520. Its totient is φ = 819769939200.

The previous prime is 2220210252499. The next prime is 2220210252521. The reversal of 2220210252520 is 252520120222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 857672323236 + 1362537929284 = 926106^2 + 1167278^2 .

It is not an unprimeable number, because it can be changed into a prime (2220210252521) 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, 2134817031 + ... + 2134818070.

Almost surely, 2^{2220210252520} is an apocalyptic number.

2220210252520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220210252520 is an abundant number, since it is smaller than the sum of its proper divisors (3159529976000).

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

2220210252520 is a wasteful number, since it uses less digits than its factorization.

2220210252520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269635125 (or 4269635121 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 2220210252520 its reverse (252520120222), we get a palindrome (2472730372742).

The spelling of 2220210252520 in words is "two trillion, two hundred twenty billion, two hundred ten million, two hundred fifty-two thousand, five hundred twenty".