20414224231 has 4 divisors (see below), whose sum is σ = 20455135000. Its totient is φ = 20373313464.

The previous prime is 20414224219. The next prime is 20414224277. The reversal of 20414224231 is 13242241402.

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

It is a cyclic number.

It is not a de Polignac number, because 20414224231 - 2¹⁷ = 20414093159 is a prime.

It is a super-2 number, since 2×20414224231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20414224196 and 20414224205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414224331) 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, 20454636 + ... + 20455633.

It is an arithmetic number, because the mean of its divisors is an integer number (5113783750).

Almost surely, 2^20414224231 is an apocalyptic number.

20414224231 is a deficient number, since it is larger than the sum of its proper divisors (40910769).

20414224231 is an equidigital number, since it uses as much as digits as its factorization.

20414224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40910768.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20414224231 its reverse (13242241402), we get a palindrome (33656465633).

The spelling of 20414224231 in words is "twenty billion, four hundred fourteen million, two hundred twenty-four thousand, two hundred thirty-one".