33055253220 has 192 divisors, whose sum is σ = 109184495616. Its totient is φ = 7381432320.

The previous prime is 33055253197. The next prime is 33055253227. The reversal of 33055253220 is 2235255033.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (33055253227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 495999 + ... + 558681.

It is an arithmetic number, because the mean of its divisors is an integer number (568669248).

Almost surely, 2^33055253220 is an apocalyptic number.

33055253220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33055253220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54592247808).

33055253220 is an abundant number, since it is smaller than the sum of its proper divisors (76129242396).

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

33055253220 is a wasteful number, since it uses less digits than its factorization.

33055253220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62770 (or 62768 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

It can be divided in two parts, 3305 and 5253220, that added together give a palindrome (5256525).

The spelling of 33055253220 in words is "thirty-three billion, fifty-five million, two hundred fifty-three thousand, two hundred twenty".