2184051820 has 24 divisors (see below), whose sum is σ = 4597740000. Its totient is φ = 871481472.

The previous prime is 2184051811. The next prime is 2184051827. The reversal of 2184051820 is 281504812.

2184051820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2184051827) 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, 125320 + ... + 141679.

It is an arithmetic number, because the mean of its divisors is an integer number (191572500).

Almost surely, 2^2184051820 is an apocalyptic number.

2184051820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2184051820 is an abundant number, since it is smaller than the sum of its proper divisors (2413688180).

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

2184051820 is a wasteful number, since it uses less digits than its factorization.

2184051820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267417 (or 267415 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 2184051820 is about 46733.8402017211. The cubic root of 2184051820 is about 1297.4410846884.

The spelling of 2184051820 in words is "two billion, one hundred eighty-four million, fifty-one thousand, eight hundred twenty".