20444011 has 8 divisors (see below), whose sum is σ = 23606240. Its totient is φ = 17342208.

The previous prime is 20444009. The next prime is 20444023. The reversal of 20444011 is 11044402.

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

It is a cyclic number.

It is not a de Polignac number, because 20444011 - 2¹ = 20444009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20444111) by changing a digit.

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, 14376 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (2950780).

Almost surely, 2^20444011 is an apocalyptic number.

20444011 is a deficient number, since it is larger than the sum of its proper divisors (3162229).

20444011 is an equidigital number, since it uses as much as digits as its factorization.

20444011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30213.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20444011 is about 4521.5053909069. The cubic root of 20444011 is about 273.4357962408.

Adding to 20444011 its reverse (11044402), we get a palindrome (31488413).

It can be divided in two parts, 2044401 and 1, that added together give a palindrome (2044402).

The spelling of 20444011 in words is "twenty million, four hundred forty-four thousand, eleven".