20411116 has 12 divisors (see below), whose sum is σ = 38966760. Its totient is φ = 9277760.

The previous prime is 20411107. The next prime is 20411129. The reversal of 20411116 is 61111402.

It is a super-2 number, since 2×20411116² = 833227312730912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20411116.

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, 231901 + ... + 231988.

It is an arithmetic number, because the mean of its divisors is an integer number (3247230).

Almost surely, 2^20411116 is an apocalyptic number.

It is an amenable number.

20411116 is a deficient number, since it is larger than the sum of its proper divisors (18555644).

20411116 is a wasteful number, since it uses less digits than its factorization.

20411116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463904 (or 463902 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 20411116 is about 4517.8663105497. The cubic root of 20411116 is about 273.2890621669.

Adding to 20411116 its reverse (61111402), we get a palindrome (81522518).

The spelling of 20411116 in words is "twenty million, four hundred eleven thousand, one hundred sixteen".