33002020011220 has 24 divisors (see below), whose sum is σ = 74635337564424. Its totient is φ = 12185361234816.

The previous prime is 33002020011203. The next prime is 33002020011271. The reversal of 33002020011220 is 2211002020033.

It can be written as a sum of positive squares in 4 ways, for example, as 917453634244 + 32084566376976 = 957838^2 + 5664324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33002020011194 and 33002020011203.

It is a congruent number.

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, 63465422839 + ... + 63465423358.

It is an arithmetic number, because the mean of its divisors is an integer number (3109805731851).

Almost surely, 2^{33002020011220} is an apocalyptic number.

It is an amenable number.

33002020011220 is an abundant number, since it is smaller than the sum of its proper divisors (41633317553204).

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

33002020011220 is a wasteful number, since it uses less digits than its factorization.

33002020011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126930846219 (or 126930846217 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 33002020011220 its reverse (2211002020033), we get a palindrome (35213022031253).

The spelling of 33002020011220 in words is "thirty-three trillion, two billion, twenty million, eleven thousand, two hundred twenty".