33233444020 has 48 divisors (see below), whose sum is σ = 80721260928. Its totient is φ = 11257038720.

The previous prime is 33233444017. The next prime is 33233444021. The reversal of 33233444020 is 2044433233.

It is a super-2 number, since 2×33233444020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 33233444020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33233444021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1418391 + ... + 1441630.

It is an arithmetic number, because the mean of its divisors is an integer number (1681692936).

Almost surely, 2^33233444020 is an apocalyptic number.

It is an amenable number.

33233444020 is an abundant number, since it is smaller than the sum of its proper divisors (47487816908).

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

33233444020 is a wasteful number, since it uses less digits than its factorization.

33233444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860120 (or 2860118 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 33233444020 its reverse (2044433233), we get a palindrome (35277877253).

The spelling of 33233444020 in words is "thirty-three billion, two hundred thirty-three million, four hundred forty-four thousand, twenty".