20411107 has 2 divisors, whose sum is σ = 20411108. Its totient is φ = 20411106.

The previous prime is 20411093. The next prime is 20411129. The reversal of 20411107 is 70111402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411107 is a prime.

It is a super-2 number, since 2×20411107² = 833226577930898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20411147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205553 + 10205554.

It is an arithmetic number, because the mean of its divisors is an integer number (10205554).

Almost surely, 2^20411107 is an apocalyptic number.

20411107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411107 is an equidigital number, since it uses as much as digits as its factorization.

20411107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 20411107 is about 4517.8653145042. The cubic root of 20411107 is about 273.2890219992.

Adding to 20411107 its reverse (70111402), we get a palindrome (90522509).

It can be divided in two parts, 204 and 11107, that added together give a palindrome (11311).

The spelling of 20411107 in words is "twenty million, four hundred eleven thousand, one hundred seven".