2243420120 has 32 divisors (see below), whose sum is σ = 5051304720. Its totient is φ = 896726400.

The previous prime is 2243420111. The next prime is 2243420131. The reversal of 2243420120 is 210243422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2243420092 and 2243420101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38714 + ... + 77366.

Almost surely, 2^2243420120 is an apocalyptic number.

2243420120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243420120 is an abundant number, since it is smaller than the sum of its proper divisors (2807884600).

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

2243420120 is a wasteful number, since it uses less digits than its factorization.

2243420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40115 (or 40111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2243420120 is about 47364.7560956456. The cubic root of 2243420120 is about 1309.0921044520.

Adding to 2243420120 its reverse (210243422), we get a palindrome (2453663542).

The spelling of 2243420120 in words is "two billion, two hundred forty-three million, four hundred twenty thousand, one hundred twenty".