2220516620 has 48 divisors (see below), whose sum is σ = 5429809728. Its totient is φ = 746952960.

The previous prime is 2220516619. The next prime is 2220516629. The reversal of 2220516620 is 266150222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220516620.

It is not an unprimeable number, because it can be changed into a prime (2220516629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142211 + ... + 157050.

It is an arithmetic number, because the mean of its divisors is an integer number (113121036).

Almost surely, 2^2220516620 is an apocalyptic number.

2220516620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220516620 is an abundant number, since it is smaller than the sum of its proper divisors (3209293108).

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

2220516620 is a wasteful number, since it uses less digits than its factorization.

2220516620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299330 (or 299328 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2220516620 is about 47122.3579630731. The cubic root of 2220516620 is about 1304.6219345908.

Adding to 2220516620 its reverse (266150222), we get a palindrome (2486666842).

The spelling of 2220516620 in words is "two billion, two hundred twenty million, five hundred sixteen thousand, six hundred twenty".