20601344 has 20 divisors (see below), whose sum is σ = 41163474. Its totient is φ = 10300416.

The previous prime is 20601323. The next prime is 20601367. The reversal of 20601344 is 44310602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15366400 + 5234944 = 3920^2 + 2288^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19607 + ... + 20630.

Almost surely, 2^20601344 is an apocalyptic number.

It is an amenable number.

20601344 is a deficient number, since it is larger than the sum of its proper divisors (20562130).

20601344 is an frugal number, since it uses more digits than its factorization.

20601344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40255 (or 40239 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20601344 is about 4538.8703440394. The cubic root of 20601344 is about 274.1354401705.

Adding to 20601344 its reverse (44310602), we get a palindrome (64911946).

The spelling of 20601344 in words is "twenty million, six hundred one thousand, three hundred forty-four".