2668268220 has 24 divisors (see below), whose sum is σ = 7471151184. Its totient is φ = 711538176.

The previous prime is 2668268179. The next prime is 2668268227. The reversal of 2668268220 is 228628662.

2668268220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668268227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22235509 + ... + 22235628.

It is an arithmetic number, because the mean of its divisors is an integer number (311297966).

Almost surely, 2^2668268220 is an apocalyptic number.

2668268220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2668268220 is an abundant number, since it is smaller than the sum of its proper divisors (4802882964).

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

2668268220 is a wasteful number, since it uses less digits than its factorization.

2668268220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44471149 (or 44471147 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 2668268220 is about 51655.2825952971. The cubic root of 2668268220 is about 1387.0001069082. Note that the first 3 decimals are identical.

The spelling of 2668268220 in words is "two billion, six hundred sixty-eight million, two hundred sixty-eight thousand, two hundred twenty".