33103012220 has 48 divisors (see below), whose sum is σ = 72024392160. Its totient is φ = 12764887296.

The previous prime is 33103012207. The next prime is 33103012253. The reversal of 33103012220 is 2221030133.

It is a congruent number.

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, 335039 + ... + 422441.

It is an arithmetic number, because the mean of its divisors is an integer number (1500508170).

Almost surely, 2^33103012220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33103012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36012196080).

33103012220 is an abundant number, since it is smaller than the sum of its proper divisors (38921379940).

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

33103012220 is a wasteful number, since it uses less digits than its factorization.

33103012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88094 (or 88092 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33103012220 its reverse (2221030133), we get a palindrome (35324042353).

The spelling of 33103012220 in words is "thirty-three billion, one hundred three million, twelve thousand, two hundred twenty".