20224423131 has 16 divisors (see below), whose sum is σ = 29425221120. Its totient is φ = 12253943520.

The previous prime is 20224423111. The next prime is 20224423151. The reversal of 20224423131 is 13132442202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20224423111) and next prime (20224423151).

It is not a de Polignac number, because 20224423131 - 2⁹ = 20224422619 is a prime.

It is a super-2 number, since 2×20224423131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20224423111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46005 + ... + 206313.

It is an arithmetic number, because the mean of its divisors is an integer number (1839076320).

Almost surely, 2^20224423131 is an apocalyptic number.

20224423131 is a deficient number, since it is larger than the sum of its proper divisors (9200797989).

20224423131 is a wasteful number, since it uses less digits than its factorization.

20224423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164146.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20224423131 its reverse (13132442202), we get a palindrome (33356865333).

The spelling of 20224423131 in words is "twenty billion, two hundred twenty-four million, four hundred twenty-three thousand, one hundred thirty-one".