20044105 has 8 divisors (see below), whose sum is σ = 25467912. Its totient is φ = 15091968.

The previous prime is 20044091. The next prime is 20044127. The reversal of 20044105 is 50144002.

It can be written as a sum of positive squares in 4 ways, for example, as 436921 + 19607184 = 661^2 + 4428^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20044105 is a prime.

It is a super-2 number, since 2×20044105² = 803532290502050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117822 + ... + 117991.

It is an arithmetic number, because the mean of its divisors is an integer number (3183489).

Almost surely, 2^20044105 is an apocalyptic number.

It is an amenable number.

20044105 is a deficient number, since it is larger than the sum of its proper divisors (5423807).

20044105 is a wasteful number, since it uses less digits than its factorization.

20044105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235835.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20044105 is about 4477.0643283294. The cubic root of 20044105 is about 271.6411474810.

Adding to 20044105 its reverse (50144002), we get a palindrome (70188107).

The spelling of 20044105 in words is "twenty million, forty-four thousand, one hundred five".