2766652220 has 24 divisors (see below), whose sum is σ = 5875254000. Its totient is φ = 1094225792.

The previous prime is 2766652193. The next prime is 2766652271. The reversal of 2766652220 is 222566672.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 775370 + ... + 778929.

It is an arithmetic number, because the mean of its divisors is an integer number (244802250).

Almost surely, 2^2766652220 is an apocalyptic number.

2766652220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2766652220 is an abundant number, since it is smaller than the sum of its proper divisors (3108601780).

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

2766652220 is a wasteful number, since it uses less digits than its factorization.

2766652220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554397 (or 1554395 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2766652220 is about 52598.9754653073. The cubic root of 2766652220 is about 1403.8418659137.

The spelling of 2766652220 in words is "two billion, seven hundred sixty-six million, six hundred fifty-two thousand, two hundred twenty".