20412124424 has 32 divisors (see below), whose sum is σ = 39444636000. Its totient is φ = 9896971392.

The previous prime is 20412124423. The next prime is 20412124429. The reversal of 20412124424 is 42442121402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20412124393 and 20412124402.

It is not an unprimeable number, because it can be changed into a prime (20412124423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165629 + ... + 261260.

It is an arithmetic number, because the mean of its divisors is an integer number (1232644875).

Almost surely, 2^20412124424 is an apocalyptic number.

It is an amenable number.

20412124424 is a deficient number, since it is larger than the sum of its proper divisors (19032511576).

20412124424 is a wasteful number, since it uses less digits than its factorization.

20412124424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427077 (or 427073 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 20412124424 its reverse (42442121402), we get a palindrome (62854245826).

The spelling of 20412124424 in words is "twenty billion, four hundred twelve million, one hundred twenty-four thousand, four hundred twenty-four".