20412224211 has 4 divisors (see below), whose sum is σ = 27216298952. Its totient is φ = 13608149472.

The previous prime is 20412224179. The next prime is 20412224237. The reversal of 20412224211 is 11242221402.

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

It is not a de Polignac number, because 20412224211 - 2⁵ = 20412224179 is a prime.

It is a super-3 number, since 3×20412224211³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412224251) 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, 3402037366 + ... + 3402037371.

It is an arithmetic number, because the mean of its divisors is an integer number (6804074738).

Almost surely, 2^20412224211 is an apocalyptic number.

20412224211 is a deficient number, since it is larger than the sum of its proper divisors (6804074741).

20412224211 is an equidigital number, since it uses as much as digits as its factorization.

20412224211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804074740.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20412224211 its reverse (11242221402), we get a palindrome (31654445613).

The spelling of 20412224211 in words is "twenty billion, four hundred twelve million, two hundred twenty-four thousand, two hundred eleven".