2143210342020 has 192 divisors, whose sum is σ = 6647385056256. Its totient is φ = 511569400320.

The previous prime is 2143210342019. The next prime is 2143210342037. The reversal of 2143210342020 is 202430123412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104216259 + ... + 104236821.

It is an arithmetic number, because the mean of its divisors is an integer number (34621797168).

Almost surely, 2^{2143210342020} is an apocalyptic number.

2143210342020 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 2143210342020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323692528128).

2143210342020 is an abundant number, since it is smaller than the sum of its proper divisors (4504174714236).

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

2143210342020 is a wasteful number, since it uses less digits than its factorization.

2143210342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23010 (or 23008 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2143210342020 its reverse (202430123412), we get a palindrome (2345640465432).

The spelling of 2143210342020 in words is "two trillion, one hundred forty-three billion, two hundred ten million, three hundred forty-two thousand, twenty".