20044511 has 2 divisors, whose sum is σ = 20044512. Its totient is φ = 20044510.

The previous prime is 20044501. The next prime is 20044529. The reversal of 20044511 is 11544002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20044511 - 2⁶ = 20044447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20044511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20044501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022255 + 10022256.

It is an arithmetic number, because the mean of its divisors is an integer number (10022256).

Almost surely, 2^20044511 is an apocalyptic number.

20044511 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044511 is an equidigital number, since it uses as much as digits as its factorization.

20044511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20044511 is about 4477.1096703119. The cubic root of 20044511 is about 271.6429815292.

Adding to 20044511 its reverse (11544002), we get a palindrome (31588513).

The spelling of 20044511 in words is "twenty million, forty-four thousand, five hundred eleven".