20422124211 has 32 divisors (see below), whose sum is σ = 28318606848. Its totient is φ = 13080130560.

The previous prime is 20422124171. The next prime is 20422124213. The reversal of 20422124211 is 11242122402.

It is not a de Polignac number, because 20422124211 - 2⁷ = 20422124083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20422124213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5284666 + ... + 5288528.

It is an arithmetic number, because the mean of its divisors is an integer number (884956464).

Almost surely, 2^20422124211 is an apocalyptic number.

20422124211 is a deficient number, since it is larger than the sum of its proper divisors (7896482637).

20422124211 is a wasteful number, since it uses less digits than its factorization.

20422124211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491.

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

Adding to 20422124211 its reverse (11242122402), we get a palindrome (31664246613).

The spelling of 20422124211 in words is "twenty billion, four hundred twenty-two million, one hundred twenty-four thousand, two hundred eleven".