33220320302112 has 96 divisors (see below), whose sum is σ = 90021441613824. Its totient is φ = 10715626425600.

The previous prime is 33220320302107. The next prime is 33220320302131. The reversal of 33220320302112 is 21120302302233.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×33220320302112² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53889453 + ... + 54502419.

It is an arithmetic number, because the mean of its divisors is an integer number (937723350144).

Almost surely, 2^{33220320302112} is an apocalyptic number.

33220320302112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33220320302112 is an abundant number, since it is smaller than the sum of its proper divisors (56801121311712).

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

33220320302112 is a wasteful number, since it uses less digits than its factorization.

33220320302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631222 (or 631214 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 33220320302112 its reverse (21120302302233), we get a palindrome (54340622604345).

The spelling of 33220320302112 in words is "thirty-three trillion, two hundred twenty billion, three hundred twenty million, three hundred two thousand, one hundred twelve".