20343413224 has 16 divisors (see below), whose sum is σ = 38146050720. Its totient is φ = 10171133040.

The previous prime is 20343413141. The next prime is 20343413227. The reversal of 20343413224 is 42231434302.

It is a junction number, because it is equal to n+sod(n) for n = 20343413192 and 20343413201.

It is not an unprimeable number, because it can be changed into a prime (20343413227) 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, 104517 + ... + 227179.

It is an arithmetic number, because the mean of its divisors is an integer number (2384128170).

Almost surely, 2^20343413224 is an apocalyptic number.

It is an amenable number.

20343413224 is a deficient number, since it is larger than the sum of its proper divisors (17802637496).

20343413224 is a wasteful number, since it uses less digits than its factorization.

20343413224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143400 (or 143396 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20343413224 its reverse (42231434302), we get a palindrome (62574847526).

The spelling of 20343413224 in words is "twenty billion, three hundred forty-three million, four hundred thirteen thousand, two hundred twenty-four".