2044687220 has 48 divisors (see below), whose sum is σ = 4430462400. Its totient is φ = 792142080.

The previous prime is 2044687207. The next prime is 2044687237. The reversal of 2044687220 is 227864402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105011 + ... + 122949.

It is an arithmetic number, because the mean of its divisors is an integer number (92301300).

Almost surely, 2^2044687220 is an apocalyptic number.

2044687220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044687220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2215231200).

2044687220 is an abundant number, since it is smaller than the sum of its proper divisors (2385775180).

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

2044687220 is a wasteful number, since it uses less digits than its factorization.

2044687220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128 (or 18126 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 2044687220 is about 45218.2177888514. The cubic root of 2044687220 is about 1269.2357441203.

The spelling of 2044687220 in words is "two billion, forty-four million, six hundred eighty-seven thousand, two hundred twenty".