20413211 has 16 divisors (see below), whose sum is σ = 25384128. Its totient is φ = 15984000.

The previous prime is 20413199. The next prime is 20413219. The reversal of 20413211 is 11231402.

It is a cyclic number.

It is not a de Polignac number, because 20413211 - 2⁶ = 20413147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20413219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8081 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (1586508).

Almost surely, 2^20413211 is an apocalyptic number.

20413211 is a deficient number, since it is larger than the sum of its proper divisors (4970917).

20413211 is a wasteful number, since it uses less digits than its factorization.

20413211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20413211 is about 4518.0981618376. The cubic root of 20413211 is about 273.2984119905.

Adding to 20413211 its reverse (11231402), we get a palindrome (31644613).

The spelling of 20413211 in words is "twenty million, four hundred thirteen thousand, two hundred eleven".