342043020 has 192 divisors, whose sum is σ = 1175731200. Its totient is φ = 81861120.

The previous prime is 342043007. The next prime is 342043063. The reversal of 342043020 is 20340243.

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

It is a junction number, because it is equal to n+sod(n) for n = 342042984 and 342043002.

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, 528337 + ... + 528983.

It is an arithmetic number, because the mean of its divisors is an integer number (6123600).

Almost surely, 2^342043020 is an apocalyptic number.

342043020 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 342043020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587865600).

342043020 is an abundant number, since it is smaller than the sum of its proper divisors (833688180).

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

342043020 is a wasteful number, since it uses less digits than its factorization.

342043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 342043020 is about 18494.4050999214. The cubic root of 342043020 is about 699.3483868144.

Adding to 342043020 its reverse (20340243), we get a palindrome (362383263).

The spelling of 342043020 in words is "three hundred forty-two million, forty-three thousand, twenty".