2120243424 has 48 divisors (see below), whose sum is σ = 5993768592. Its totient is φ = 652382208.

The previous prime is 2120243407. The next prime is 2120243443. The reversal of 2120243424 is 4243420212.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2120243394 and 2120243403.

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, 848209 + ... + 850704.

It is an arithmetic number, because the mean of its divisors is an integer number (124870179).

Almost surely, 2^2120243424 is an apocalyptic number.

2120243424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2120243424 is an abundant number, since it is smaller than the sum of its proper divisors (3873525168).

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

2120243424 is a wasteful number, since it uses less digits than its factorization.

2120243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698939 (or 1698931 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2120243424 is about 46046.1010727293. The cubic root of 2120243424 is about 1284.6808240975.

Adding to 2120243424 its reverse (4243420212), we get a palindrome (6363663636).

The spelling of 2120243424 in words is "two billion, one hundred twenty million, two hundred forty-three thousand, four hundred twenty-four".