33020131444 has 24 divisors (see below), whose sum is σ = 58907594088. Its totient is φ = 16189729920.

The previous prime is 33020131429. The next prime is 33020131451. The reversal of 33020131444 is 44413102033.

It can be written as a sum of positive squares in 4 ways, for example, as 7030822500 + 25989308944 = 83850^2 + 161212^2 .

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, 356434 + ... + 439414.

It is an arithmetic number, because the mean of its divisors is an integer number (2454483087).

Almost surely, 2^33020131444 is an apocalyptic number.

It is an amenable number.

33020131444 is a deficient number, since it is larger than the sum of its proper divisors (25887462644).

33020131444 is a wasteful number, since it uses less digits than its factorization.

33020131444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84915 (or 84913 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33020131444 its reverse (44413102033), we get a palindrome (77433233477).

The spelling of 33020131444 in words is "thirty-three billion, twenty million, one hundred thirty-one thousand, four hundred forty-four".