33220303220 has 48 divisors (see below), whose sum is σ = 75414810240. Its totient is φ = 12219294336.

The previous prime is 33220303201. The next prime is 33220303267. The reversal of 33220303220 is 2230302233.

It is a super-2 number, since 2×33220303220² (a number of 22 digits) 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 = 33220303192 and 33220303201.

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 15 ways as a sum of consecutive naturals, for example, 174530 + ... + 311289.

It is an arithmetic number, because the mean of its divisors is an integer number (1571141880).

Almost surely, 2^33220303220 is an apocalyptic number.

It is an amenable number.

33220303220 is an abundant number, since it is smaller than the sum of its proper divisors (42194507020).

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

33220303220 is a wasteful number, since it uses less digits than its factorization.

33220303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486104 (or 486102 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 33220303220 its reverse (2230302233), we get a palindrome (35450605453).

The spelling of 33220303220 in words is "thirty-three billion, two hundred twenty million, three hundred three thousand, two hundred twenty".