342242120 has 64 divisors (see below), whose sum is σ = 842140800. Its totient is φ = 124142080.

The previous prime is 342242107. The next prime is 342242143. The reversal of 342242120 is 21242243.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 342242092 and 342242101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249677 + ... + 251043.

It is an arithmetic number, because the mean of its divisors is an integer number (13158450).

Almost surely, 2^342242120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342242120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421070400).

342242120 is an abundant number, since it is smaller than the sum of its proper divisors (499898680).

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

342242120 is a wasteful number, since it uses less digits than its factorization.

342242120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 342242120 is about 18499.7870258011. The cubic root of 342242120 is about 699.4840551832.

Adding to 342242120 its reverse (21242243), we get a palindrome (363484363).

The spelling of 342242120 in words is "three hundred forty-two million, two hundred forty-two thousand, one hundred twenty".