2268680220 has 72 divisors (see below), whose sum is σ = 6944857920. Its totient is φ = 599425920.

The previous prime is 2268680207. The next prime is 2268680231. The reversal of 2268680220 is 220868622.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38196 + ... + 77435.

It is an arithmetic number, because the mean of its divisors is an integer number (96456360).

Almost surely, 2^2268680220 is an apocalyptic number.

2268680220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2268680220 is an abundant number, since it is smaller than the sum of its proper divisors (4676177700).

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

2268680220 is a wasteful number, since it uses less digits than its factorization.

2268680220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115755 (or 115750 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2268680220 is about 47630.6647024792. The cubic root of 2268680220 is about 1313.9870796531.

The spelling of 2268680220 in words is "two billion, two hundred sixty-eight million, six hundred eighty thousand, two hundred twenty".