20411044 has 6 divisors (see below), whose sum is σ = 35719334. Its totient is φ = 10205520.

The previous prime is 20411029. The next prime is 20411057. The reversal of 20411044 is 44011402.

It can be written as a sum of positive squares in only one way, i.e., 20358144 + 52900 = 4512^2 + 230^2 .

It is a super-2 number, since 2×20411044² = 833221434339872, which contains 22 as substring.

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, 2551377 + ... + 2551384.

Almost surely, 2^20411044 is an apocalyptic number.

It is an amenable number.

20411044 is a deficient number, since it is larger than the sum of its proper divisors (15308290).

20411044 is a wasteful number, since it uses less digits than its factorization.

20411044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102765 (or 5102763 counting only the distinct ones).

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

The square root of 20411044 is about 4517.8583421794. The cubic root of 20411044 is about 273.2887408251.

Adding to 20411044 its reverse (44011402), we get a palindrome (64422446).

The spelling of 20411044 in words is "twenty million, four hundred eleven thousand, forty-four".