20420033044 has 12 divisors (see below), whose sum is σ = 36082000864. Its totient is φ = 10110889944.

The previous prime is 20420033017. The next prime is 20420033047. The reversal of 20420033044 is 44033002402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20420033047) 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 3 ways as a sum of consecutive naturals, for example, 24781182 + ... + 24782005.

Almost surely, 2^20420033044 is an apocalyptic number.

It is an amenable number.

20420033044 is a deficient number, since it is larger than the sum of its proper divisors (15661967820).

20420033044 is a wasteful number, since it uses less digits than its factorization.

20420033044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49563294 (or 49563292 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20420033044 its reverse (44033002402), we get a palindrome (64453035446).

The spelling of 20420033044 in words is "twenty billion, four hundred twenty million, thirty-three thousand, forty-four".