210143342131420 has 24 divisors (see below), whose sum is σ = 442084856898384. Its totient is φ = 83908034295936.

The previous prime is 210143342131409. The next prime is 210143342131421. The reversal of 210143342131420 is 24131243341012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210143342131421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9331398249 + ... + 9331420768.

It is an arithmetic number, because the mean of its divisors is an integer number (18420202370766).

Almost surely, 2^{210143342131420} is an apocalyptic number.

210143342131420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210143342131420 is an abundant number, since it is smaller than the sum of its proper divisors (231941514766964).

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

210143342131420 is a wasteful number, since it uses less digits than its factorization.

210143342131420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18662819589 (or 18662819587 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 210143342131420 its reverse (24131243341012), we get a palindrome (234274585472432).

The spelling of 210143342131420 in words is "two hundred ten trillion, one hundred forty-three billion, three hundred forty-two million, one hundred thirty-one thousand, four hundred twenty".