330149820 has 384 divisors, whose sum is σ = 1300561920. Its totient is φ = 60318720.

The previous prime is 330149791. The next prime is 330149837. The reversal of 330149820 is 28941033.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1381261 + ... + 1381499.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^330149820 is an apocalyptic number.

330149820 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 330149820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650280960).

330149820 is an abundant number, since it is smaller than the sum of its proper divisors (970412100).

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

330149820 is a wasteful number, since it uses less digits than its factorization.

330149820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 330149820 is about 18170.0253164381. The cubic root of 330149820 is about 691.1468849172.

The spelling of 330149820 in words is "three hundred thirty million, one hundred forty-nine thousand, eight hundred twenty".