20601411 has 4 divisors (see below), whose sum is σ = 27468552. Its totient is φ = 13734272.

The previous prime is 20601401. The next prime is 20601421. The reversal of 20601411 is 11410602.

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

It is an interprime number because it is at equal distance from previous prime (20601401) and next prime (20601421).

It is a cyclic number.

It is not a de Polignac number, because 20601411 - 2⁷ = 20601283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20601401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433566 + ... + 3433571.

It is an arithmetic number, because the mean of its divisors is an integer number (6867138).

Almost surely, 2^20601411 is an apocalyptic number.

20601411 is a deficient number, since it is larger than the sum of its proper divisors (6867141).

20601411 is an equidigital number, since it uses as much as digits as its factorization.

20601411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867140.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 20601411 is about 4538.8777247245. The cubic root of 20601411 is about 274.1357373526.

It can be divided in two parts, 20601 and 411, that added together give a palindrome (21012).

The spelling of 20601411 in words is "twenty million, six hundred one thousand, four hundred eleven".