33320231120 has 80 divisors (see below), whose sum is σ = 85944767040. Its totient is φ = 11911065600.

The previous prime is 33320231107. The next prime is 33320231129. The reversal of 33320231120 is 2113202333.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×33320231120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33320231092 and 33320231101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33320231129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268961 + ... + 372800.

It is an arithmetic number, because the mean of its divisors is an integer number (1074309588).

Almost surely, 2^33320231120 is an apocalyptic number.

It is an amenable number.

33320231120 is an abundant number, since it is smaller than the sum of its proper divisors (52624535920).

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

33320231120 is a wasteful number, since it uses less digits than its factorization.

33320231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641844 (or 641838 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33320231120 its reverse (2113202333), we get a palindrome (35433433453).

The spelling of 33320231120 in words is "thirty-three billion, three hundred twenty million, two hundred thirty-one thousand, one hundred twenty".