20412411 has 4 divisors (see below), whose sum is σ = 27216552. Its totient is φ = 13608272.

The previous prime is 20412409. The next prime is 20412463. The reversal of 20412411 is 11421402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20412411 - 2¹ = 20412409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20412481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402066 + ... + 3402071.

It is an arithmetic number, because the mean of its divisors is an integer number (6804138).

Almost surely, 2^20412411 is an apocalyptic number.

20412411 is a deficient number, since it is larger than the sum of its proper divisors (6804141).

20412411 is an equidigital number, since it uses as much as digits as its factorization.

20412411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804140.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 20412411 is about 4518.0096281438. The cubic root of 20412411 is about 273.2948417276.

Adding to 20412411 its reverse (11421402), we get a palindrome (31833813).

The spelling of 20412411 in words is "twenty million, four hundred twelve thousand, four hundred eleven".