2143206000 has 640 divisors, whose sum is σ = 8579450880. Its totient is φ = 508032000.

The previous prime is 2143205993. The next prime is 2143206001. The reversal of 2143206000 is 6023412.

It is a happy number.

2143206000 is a `hidden beast` number, since 2 + 1 + 43 + 20 + 600 + 0 = 666.

It is a super-3 number, since 3×2143206000³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143206001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30185965 + ... + 30186035.

It is an arithmetic number, because the mean of its divisors is an integer number (13405392).

Almost surely, 2^2143206000 is an apocalyptic number.

2143206000 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 2143206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289725440).

2143206000 is an abundant number, since it is smaller than the sum of its proper divisors (6436244880).

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

2143206000 is a wasteful number, since it uses less digits than its factorization.

2143206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2143206000 is about 46294.7729230850. The cubic root of 2143206000 is about 1289.3019479156.

Adding to 2143206000 its reverse (6023412), we get a palindrome (2149229412).

The spelling of 2143206000 in words is "two billion, one hundred forty-three million, two hundred six thousand".