2766220120 has 32 divisors (see below), whose sum is σ = 6494605920. Its totient is φ = 1058379520.

The previous prime is 2766220081. The next prime is 2766220139. The reversal of 2766220120 is 210226672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502461 + ... + 1504300.

It is an arithmetic number, because the mean of its divisors is an integer number (202956435).

Almost surely, 2^2766220120 is an apocalyptic number.

2766220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2766220120 is an abundant number, since it is smaller than the sum of its proper divisors (3728385800).

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

2766220120 is a wasteful number, since it uses less digits than its factorization.

2766220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006795 (or 3006791 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2766220120 is about 52594.8678104623. The cubic root of 2766220120 is about 1403.7687773811.

Adding to 2766220120 its reverse (210226672), we get a palindrome (2976446792).

The spelling of 2766220120 in words is "two billion, seven hundred sixty-six million, two hundred twenty thousand, one hundred twenty".