33221300120 has 128 divisors (see below), whose sum is σ = 79494912000. Its totient is φ = 12459847680.

The previous prime is 33221300087. The next prime is 33221300143. The reversal of 33221300120 is 2100312233.

It is a super-2 number, since 2×33221300120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 35759816 + ... + 35760744.

It is an arithmetic number, because the mean of its divisors is an integer number (621054000).

Almost surely, 2^33221300120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33221300120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39747456000).

33221300120 is an abundant number, since it is smaller than the sum of its proper divisors (46273611880).

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

33221300120 is a wasteful number, since it uses less digits than its factorization.

33221300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33221300120 its reverse (2100312233), we get a palindrome (35321612353).

The spelling of 33221300120 in words is "thirty-three billion, two hundred twenty-one million, three hundred thousand, one hundred twenty".