2220510115516 has 24 divisors (see below), whose sum is σ = 4844749343616. Its totient is φ = 865133811120.

The previous prime is 2220510115457. The next prime is 2220510115573. The reversal of 2220510115516 is 6155110150222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604723906 + ... + 3604724521.

It is an arithmetic number, because the mean of its divisors is an integer number (201864555984).

Almost surely, 2^{2220510115516} is an apocalyptic number.

It is an amenable number.

2220510115516 is an abundant number, since it is smaller than the sum of its proper divisors (2624239228100).

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

2220510115516 is a wasteful number, since it uses less digits than its factorization.

2220510115516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209448449 (or 7209448447 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 2220510115516 its reverse (6155110150222), we get a palindrome (8375620265738).

The spelling of 2220510115516 in words is "two trillion, two hundred twenty billion, five hundred ten million, one hundred fifteen thousand, five hundred sixteen".