2620221116 has 12 divisors (see below), whose sum is σ = 4586935920. Its totient is φ = 1309668000.

The previous prime is 2620221113. The next prime is 2620221139. The reversal of 2620221116 is 6111220262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2620221091 and 2620221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97136 + ... + 121143.

It is an arithmetic number, because the mean of its divisors is an integer number (382244660).

Almost surely, 2^2620221116 is an apocalyptic number.

It is an amenable number.

2620221116 is a deficient number, since it is larger than the sum of its proper divisors (1966714804).

2620221116 is a wasteful number, since it uses less digits than its factorization.

2620221116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221284 (or 221282 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2620221116 is about 51188.0954519701. The cubic root of 2620221116 is about 1378.6244635768.

Adding to 2620221116 its reverse (6111220262), we get a palindrome (8731441378).

The spelling of 2620221116 in words is "two billion, six hundred twenty million, two hundred twenty-one thousand, one hundred sixteen".