342543430020 has 192 divisors, whose sum is σ = 1104937666560. Its totient is φ = 78416409600.

The previous prime is 342543429983. The next prime is 342543430049. The reversal of 342543430020 is 20034345243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 342543430020.

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 63 ways as a sum of consecutive naturals, for example, 3856024 + ... + 3943856.

It is an arithmetic number, because the mean of its divisors is an integer number (5754883680).

Almost surely, 2^342543430020 is an apocalyptic number.

342543430020 is a gapful number since it is divisible by the number (30) 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 342543430020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552468833280).

342543430020 is an abundant number, since it is smaller than the sum of its proper divisors (762394236540).

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

342543430020 is a wasteful number, since it uses less digits than its factorization.

342543430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88186 (or 88184 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 342543430020 its reverse (20034345243), we get a palindrome (362577775263).

The spelling of 342543430020 in words is "three hundred forty-two billion, five hundred forty-three million, four hundred thirty thousand, twenty".