20212411 has 8 divisors (see below), whose sum is σ = 20749664. Its totient is φ = 19681920.

The previous prime is 20212399. The next prime is 20212417. The reversal of 20212411 is 11421202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20212411 - 2⁹ = 20211899 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 20212391 and 20212400.

It is not an unprimeable number, because it can be changed into a prime (20212417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4675 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (2593708).

Almost surely, 2^20212411 is an apocalyptic number.

20212411 is a deficient number, since it is larger than the sum of its proper divisors (537253).

20212411 is a wasteful number, since it uses less digits than its factorization.

20212411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20212411 is about 4495.8215044639. The cubic root of 20212411 is about 272.3993332397.

Adding to 20212411 its reverse (11421202), we get a palindrome (31633613).

The spelling of 20212411 in words is "twenty million, two hundred twelve thousand, four hundred eleven".