2244742020 has 72 divisors (see below), whose sum is σ = 6831115200. Its totient is φ = 596658240.

The previous prime is 2244741973. The next prime is 2244742039. The reversal of 2244742020 is 202474422.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35931 + ... + 76029.

It is an arithmetic number, because the mean of its divisors is an integer number (94876600).

Almost surely, 2^2244742020 is an apocalyptic number.

2244742020 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 2244742020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415557600).

2244742020 is an abundant number, since it is smaller than the sum of its proper divisors (4586373180).

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

2244742020 is a wasteful number, since it uses less digits than its factorization.

2244742020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425 (or 40420 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 2244742020 is about 47378.7085092027. The cubic root of 2244742020 is about 1309.3491746074.

The spelling of 2244742020 in words is "two billion, two hundred forty-four million, seven hundred forty-two thousand, twenty".