2143250120 has 64 divisors (see below), whose sum is σ = 5280992640. Its totient is φ = 776358400.

The previous prime is 2143250119. The next prime is 2143250177. The reversal of 2143250120 is 210523412.

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 = 2143250092 and 2143250101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106460 + ... + 124980.

It is an arithmetic number, because the mean of its divisors is an integer number (82515510).

Almost surely, 2^2143250120 is an apocalyptic number.

2143250120 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 2143250120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2640496320).

2143250120 is an abundant number, since it is smaller than the sum of its proper divisors (3137742520).

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

2143250120 is a wasteful number, since it uses less digits than its factorization.

2143250120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18806 (or 18802 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2143250120 is about 46295.2494323122. The cubic root of 2143250120 is about 1289.3107950371.

Adding to 2143250120 its reverse (210523412), we get a palindrome (2353773532).

The spelling of 2143250120 in words is "two billion, one hundred forty-three million, two hundred fifty thousand, one hundred twenty".