330442420 has 96 divisors (see below), whose sum is σ = 869863680. Its totient is φ = 102435840.

The previous prime is 330442393. The next prime is 330442451. The reversal of 330442420 is 24244033.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 330442391 and 330442400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352192 + ... + 353128.

It is an arithmetic number, because the mean of its divisors is an integer number (9061080).

Almost surely, 2^330442420 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 330442420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434931840).

330442420 is an abundant number, since it is smaller than the sum of its proper divisors (539421260).

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

330442420 is a wasteful number, since it uses less digits than its factorization.

330442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1191 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 330442420 is about 18178.0752556479. The cubic root of 330442420 is about 691.3510042319.

Adding to 330442420 its reverse (24244033), we get a palindrome (354686453).

The spelling of 330442420 in words is "three hundred thirty million, four hundred forty-two thousand, four hundred twenty".