2220671220 has 48 divisors (see below), whose sum is σ = 6219944640. Its totient is φ = 591982336.

The previous prime is 2220671213. The next prime is 2220671237. The reversal of 2220671220 is 221760222.

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 15 ways as a sum of consecutive naturals, for example, 312871 + ... + 319889.

It is an arithmetic number, because the mean of its divisors is an integer number (129582180).

Almost surely, 2^2220671220 is an apocalyptic number.

2220671220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220671220 is an abundant number, since it is smaller than the sum of its proper divisors (3999273420).

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

2220671220 is a wasteful number, since it uses less digits than its factorization.

2220671220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12304 (or 12302 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2220671220 is about 47123.9983447924. The cubic root of 2220671220 is about 1304.6522113094.

The spelling of 2220671220 in words is "two billion, two hundred twenty million, six hundred seventy-one thousand, two hundred twenty".