20422400422399 has 8 divisors (see below), whose sum is σ = 20710412100000. Its totient is φ = 20134399084800.

The previous prime is 20422400422313. The next prime is 20422400422423. The reversal of 20422400422399 is 99322400422402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20422400422399 - 2³⁵ = 20388040684031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422400422499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436839 + ... + 6550519.

It is an arithmetic number, because the mean of its divisors is an integer number (2588801512500).

Almost surely, 2^{20422400422399} is an apocalyptic number.

20422400422399 is a deficient number, since it is larger than the sum of its proper divisors (288011677601).

20422400422399 is an equidigital number, since it uses as much as digits as its factorization.

20422400422399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170001.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 20422400422399 in words is "twenty trillion, four hundred twenty-two billion, four hundred million, four hundred twenty-two thousand, three hundred ninety-nine".