33404041220 has 24 divisors (see below), whose sum is σ = 76525622208. Its totient is φ = 12146924000.

The previous prime is 33404041201. The next prime is 33404041241. The reversal of 33404041220 is 2214040433.

It is a super-2 number, since 2×33404041220² (a number of 22 digits) contains 22 as substring.

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, 75918056 + ... + 75918495.

It is an arithmetic number, because the mean of its divisors is an integer number (3188567592).

Almost surely, 2^33404041220 is an apocalyptic number.

It is an amenable number.

33404041220 is an abundant number, since it is smaller than the sum of its proper divisors (43121580988).

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

33404041220 is a wasteful number, since it uses less digits than its factorization.

33404041220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151836571 (or 151836569 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 33404041220 its reverse (2214040433), we get a palindrome (35618081653).

The spelling of 33404041220 in words is "thirty-three billion, four hundred four million, forty-one thousand, two hundred twenty".