2099244420 has 144 divisors (see below), whose sum is σ = 7837240320. Its totient is φ = 442914048.

The previous prime is 2099244359. The next prime is 2099244421. The reversal of 2099244420 is 244429902.

2099244420 is a `hidden beast` number, since 209 + 9 + 2 + 4 + 442 + 0 = 666.

It is a super-2 number, since 2×2099244420² = 8813654269802272800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2099244421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47700 + ... + 80459.

It is an arithmetic number, because the mean of its divisors is an integer number (54425280).

Almost surely, 2^2099244420 is an apocalyptic number.

2099244420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2099244420 is an abundant number, since it is smaller than the sum of its proper divisors (5737995900).

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

2099244420 is a wasteful number, since it uses less digits than its factorization.

2099244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128194 (or 128189 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2099244420 is about 45817.5121541971. The cubic root of 2099244420 is about 1280.4255624361.

The spelling of 2099244420 in words is "two billion, ninety-nine million, two hundred forty-four thousand, four hundred twenty".