33001113220 has 12 divisors (see below), whose sum is σ = 69302337804. Its totient is φ = 13200445280.

The previous prime is 33001113203. The next prime is 33001113239. The reversal of 33001113220 is 2231110033.

It can be written as a sum of positive squares in 2 ways, for example, as 11911103044 + 21090010176 = 109138^2 + 145224^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33001113194 and 33001113203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825027811 + ... + 825027850.

It is an arithmetic number, because the mean of its divisors is an integer number (5775194817).

Almost surely, 2^33001113220 is an apocalyptic number.

It is an amenable number.

33001113220 is an abundant number, since it is smaller than the sum of its proper divisors (36301224584).

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

33001113220 is a wasteful number, since it uses less digits than its factorization.

33001113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650055670 (or 1650055668 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 33001113220 its reverse (2231110033), we get a palindrome (35232223253).

The spelling of 33001113220 in words is "thirty-three billion, one million, one hundred thirteen thousand, two hundred twenty".