20444053 has 4 divisors (see below), whose sum is σ = 23364640. Its totient is φ = 17523468.

The previous prime is 20444027. The next prime is 20444059. The reversal of 20444053 is 35044402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20444053 - 2¹³ = 20435861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460283 + ... + 1460296.

It is an arithmetic number, because the mean of its divisors is an integer number (5841160).

Almost surely, 2^20444053 is an apocalyptic number.

It is an amenable number.

20444053 is a deficient number, since it is larger than the sum of its proper divisors (2920587).

20444053 is an equidigital number, since it uses as much as digits as its factorization.

20444053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920586.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 20444053 is about 4521.5100353754. The cubic root of 20444053 is about 273.4359834887.

Adding to 20444053 its reverse (35044402), we get a palindrome (55488455).

The spelling of 20444053 in words is "twenty million, four hundred forty-four thousand, fifty-three".