330242420 has 24 divisors (see below), whose sum is σ = 730010400. Its totient is φ = 125144352.

The previous prime is 330242399. The next prime is 330242431. The reversal of 330242420 is 24242033.

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 = 330242392 and 330242401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434150 + ... + 434909.

It is an arithmetic number, because the mean of its divisors is an integer number (30417100).

Almost surely, 2^330242420 is an apocalyptic number.

It is an amenable number.

330242420 is an abundant number, since it is smaller than the sum of its proper divisors (399767980).

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

330242420 is a wasteful number, since it uses less digits than its factorization.

330242420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869087 (or 869085 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 330242420 is about 18172.5732905387. The cubic root of 330242420 is about 691.2114962089.

Adding to 330242420 its reverse (24242033), we get a palindrome (354484453).

The spelling of 330242420 in words is "three hundred thirty million, two hundred forty-two thousand, four hundred twenty".