20412432224 has 12 divisors (see below), whose sum is σ = 40186976004. Its totient is φ = 10206216096.

The previous prime is 20412432223. The next prime is 20412432233. The reversal of 20412432224 is 42223421402.

It is a junction number, because it is equal to n+sod(n) for n = 20412432193 and 20412432202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412432223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318944222 + ... + 318944285.

It is an arithmetic number, because the mean of its divisors is an integer number (3348914667).

Almost surely, 2^20412432224 is an apocalyptic number.

It is an amenable number.

20412432224 is a deficient number, since it is larger than the sum of its proper divisors (19774543780).

20412432224 is an equidigital number, since it uses as much as digits as its factorization.

20412432224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637888517 (or 637888509 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20412432224 its reverse (42223421402), we get a palindrome (62635853626).

The spelling of 20412432224 in words is "twenty billion, four hundred twelve million, four hundred thirty-two thousand, two hundred twenty-four".