333133220 has 48 divisors (see below), whose sum is σ = 800583168. Its totient is φ = 114065280.

The previous prime is 333133217. The next prime is 333133243. The reversal of 333133220 is 22331333.

It is a super-2 number, since 2×333133220² = 221955484535136800, which contains 22 as substring.

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 = 333133192 and 333133201.

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, 171374 + ... + 173306.

It is an arithmetic number, because the mean of its divisors is an integer number (16678816).

Almost surely, 2^333133220 is an apocalyptic number.

It is an amenable number.

333133220 is an abundant number, since it is smaller than the sum of its proper divisors (467449948).

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

333133220 is a wasteful number, since it uses less digits than its factorization.

333133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3178 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 333133220 is about 18251.9374314071. The cubic root of 333133220 is about 693.2224957397. Note that the first 3 decimals are identical.

Adding to 333133220 its reverse (22331333), we get a palindrome (355464553).

The spelling of 333133220 in words is "three hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty".