20410144 has 12 divisors (see below), whose sum is σ = 40182534. Its totient is φ = 10205056.

The previous prime is 20410139. The next prime is 20410163. The reversal of 20410144 is 44101402.

It can be written as a sum of positive squares in only one way, i.e., 14592400 + 5817744 = 3820^2 + 2412^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318877 + ... + 318940.

Almost surely, 2^20410144 is an apocalyptic number.

It is an amenable number.

20410144 is a deficient number, since it is larger than the sum of its proper divisors (19772390).

20410144 is an equidigital number, since it uses as much as digits as its factorization.

20410144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637827 (or 637819 counting only the distinct ones).

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

The square root of 20410144 is about 4517.7587363647. The cubic root of 20410144 is about 273.2847239886.

Adding to 20410144 its reverse (44101402), we get a palindrome (64511546).

The spelling of 20410144 in words is "twenty million, four hundred ten thousand, one hundred forty-four".