20350044 has 144 divisors (see below), whose sum is σ = 62375040. Its totient is φ = 5512320.

The previous prime is 20349997. The next prime is 20350049. The reversal of 20350044 is 44005302.

20350044 = 37³ + 38³ + ... + 95³.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20349999 and 20350026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303699 + ... + 303765.

It is an arithmetic number, because the mean of its divisors is an integer number (433160).

Almost surely, 2^20350044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20350044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31187520).

20350044 is an abundant number, since it is smaller than the sum of its proper divisors (42024996).

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

20350044 is a wasteful number, since it uses less digits than its factorization.

20350044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20350044 is about 4511.1023043154. The cubic root of 20350044 is about 273.0162209095.

Adding to 20350044 its reverse (44005302), we get a palindrome (64355346).

The spelling of 20350044 in words is "twenty million, three hundred fifty thousand, forty-four".