1343420342020 has 96 divisors (see below), whose sum is σ = 2929866720480. Its totient is φ = 516813803520.

The previous prime is 1343420341987. The next prime is 1343420342039. The reversal of 1343420342020 is 202430243431.

It can be written as a sum of positive squares in 16 ways, for example, as 943897743936 + 399522598084 = 971544^2 + 632078^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1343420342020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422324830 + ... + 422328010.

It is an arithmetic number, because the mean of its divisors is an integer number (30519445005).

Almost surely, 2^{1343420342020} is an apocalyptic number.

1343420342020 is a gapful number since it is divisible by the number (10) 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 1343420342020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464933360240).

1343420342020 is an abundant number, since it is smaller than the sum of its proper divisors (1586446378460).

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

1343420342020 is a wasteful number, since it uses less digits than its factorization.

1343420342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833 (or 5831 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1343420342020 its reverse (202430243431), we get a palindrome (1545850585451).

The spelling of 1343420342020 in words is "one trillion, three hundred forty-three billion, four hundred twenty million, three hundred forty-two thousand, twenty".