33023232220 has 24 divisors (see below), whose sum is σ = 75653223408. Its totient is φ = 12008448000.

The previous prime is 33023232211. The next prime is 33023232233. The reversal of 33023232220 is 2223232033.

It is a super-2 number, since 2×33023232220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 33023232191 and 33023232200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75052581 + ... + 75053020.

It is an arithmetic number, because the mean of its divisors is an integer number (3152217642).

Almost surely, 2^33023232220 is an apocalyptic number.

It is an amenable number.

33023232220 is an abundant number, since it is smaller than the sum of its proper divisors (42629991188).

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

33023232220 is a wasteful number, since it uses less digits than its factorization.

33023232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150105621 (or 150105619 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 33023232220 its reverse (2223232033), we get a palindrome (35246464253).

The spelling of 33023232220 in words is "thirty-three billion, twenty-three million, two hundred thirty-two thousand, two hundred twenty".