33304004220 has 48 divisors (see below), whose sum is σ = 93271449600. Its totient is φ = 8879140416.

The previous prime is 33304004219. The next prime is 33304004269. The reversal of 33304004220 is 2240040333.

It is a super-2 number, since 2×33304004220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230109 + ... + 345771.

It is an arithmetic number, because the mean of its divisors is an integer number (1943155200).

Almost surely, 2^33304004220 is an apocalyptic number.

33304004220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33304004220 is an abundant number, since it is smaller than the sum of its proper divisors (59967445380).

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

33304004220 is a wasteful number, since it uses less digits than its factorization.

33304004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120474 (or 120472 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 33304004220 its reverse (2240040333), we get a palindrome (35544044553).

The spelling of 33304004220 in words is "thirty-three billion, three hundred four million, four thousand, two hundred twenty".