20016244 has 12 divisors (see below), whose sum is σ = 35252644. Its totient is φ = 9944064.

The previous prime is 20016229. The next prime is 20016251. The reversal of 20016244 is 44261002.

It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 14899600 = 2262^2 + 3860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15309 + ... + 16564.

Almost surely, 2^20016244 is an apocalyptic number.

It is an amenable number.

20016244 is a deficient number, since it is larger than the sum of its proper divisors (15236400).

20016244 is a wasteful number, since it uses less digits than its factorization.

20016244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32034 (or 32032 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20016244 is about 4473.9517207945. The cubic root of 20016244 is about 271.5152301057.

Adding to 20016244 its reverse (44261002), we get a palindrome (64277246).

The spelling of 20016244 in words is "twenty million, sixteen thousand, two hundred forty-four".