330695820 has 216 divisors, whose sum is σ = 1242180576. Its totient is φ = 69728256.

The previous prime is 330695819. The next prime is 330695831. The reversal of 330695820 is 28596033.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 212164 + ... + 213716.

It is an arithmetic number, because the mean of its divisors is an integer number (5750836).

Almost surely, 2^330695820 is an apocalyptic number.

330695820 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 330695820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621090288).

330695820 is an abundant number, since it is smaller than the sum of its proper divisors (911484756).

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

330695820 is a wasteful number, since it uses less digits than its factorization.

330695820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 330695820 is about 18185.0438547725. The cubic root of 330695820 is about 691.5276800780.

The spelling of 330695820 in words is "three hundred thirty million, six hundred ninety-five thousand, eight hundred twenty".