20442204200424 has 16 divisors (see below), whose sum is σ = 51105510501120. Its totient is φ = 6814068066800.

The previous prime is 20442204200413. The next prime is 20442204200443. The reversal of 20442204200424 is 42400240224402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20442204200391 and 20442204200400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425879254152 + ... + 425879254199.

It is an arithmetic number, because the mean of its divisors is an integer number (3194094406320).

Almost surely, 2^{20442204200424} is an apocalyptic number.

20442204200424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20442204200424 is an abundant number, since it is smaller than the sum of its proper divisors (30663306300696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20442204200424 is a wasteful number, since it uses less digits than its factorization.

20442204200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851758508360 (or 851758508356 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20442204200424 its reverse (42400240224402), we get a palindrome (62842444424826).

The spelling of 20442204200424 in words is "twenty trillion, four hundred forty-two billion, two hundred four million, two hundred thousand, four hundred twenty-four".