20201411 has 4 divisors (see below), whose sum is σ = 20290632. Its totient is φ = 20112192.

The previous prime is 20201407. The next prime is 20201437. The reversal of 20201411 is 11410202.

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 20201411 - 2² = 20201407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201392 and 20201401.

It is not an unprimeable number, because it can be changed into a prime (20201711) 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, 44270 + ... + 44723.

It is an arithmetic number, because the mean of its divisors is an integer number (5072658).

Almost surely, 2^20201411 is an apocalyptic number.

20201411 is a deficient number, since it is larger than the sum of its proper divisors (89221).

20201411 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 20201411 = (42010112)₉.

20201411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89220.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 20201411 is about 4494.5979797975. The cubic root of 20201411 is about 272.3499092101.

Adding to 20201411 its reverse (11410202), we get a palindrome (31611613).

The spelling of 20201411 in words is "twenty million, two hundred one thousand, four hundred eleven".