33103133220 has 48 divisors (see below), whose sum is σ = 92697308928. Its totient is φ = 8826689280.

The previous prime is 33103133183. The next prime is 33103133221. The reversal of 33103133220 is 2233130133.

It is not an unprimeable number, because it can be changed into a prime (33103133221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926080 + ... + 961160.

It is an arithmetic number, because the mean of its divisors is an integer number (1931193936).

Almost surely, 2^33103133220 is an apocalyptic number.

33103133220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33103133220 is an abundant number, since it is smaller than the sum of its proper divisors (59594175708).

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

33103133220 is a wasteful number, since it uses less digits than its factorization.

33103133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50820 (or 50818 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33103133220 its reverse (2233130133), we get a palindrome (35336263353).

The spelling of 33103133220 in words is "thirty-three billion, one hundred three million, one hundred thirty-three thousand, two hundred twenty".