33020220120 has 64 divisors (see below), whose sum is σ = 102476556000. Its totient is φ = 8501756928.

The previous prime is 33020220071. The next prime is 33020220187. The reversal of 33020220120 is 2102202033.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 33020220120.

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, 4740805 + ... + 4747764.

Almost surely, 2^33020220120 is an apocalyptic number.

33020220120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33020220120 is an abundant number, since it is smaller than the sum of its proper divisors (69456335880).

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

33020220120 is a wasteful number, since it uses less digits than its factorization.

33020220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488612 (or 9488608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 33020220120 its reverse (2102202033), we get a palindrome (35122422153).

The spelling of 33020220120 in words is "thirty-three billion, twenty million, two hundred twenty thousand, one hundred twenty".