20042332324400 has 30 divisors (see below), whose sum is σ = 48151703410332. Its totient is φ = 8016932929600.

The previous prime is 20042332324397. The next prime is 20042332324471. The reversal of 20042332324400 is 442323324002.

It is a happy number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 25052915006 + ... + 25052915805.

Almost surely, 2^{20042332324400} is an apocalyptic number.

20042332324400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042332324400 is an abundant number, since it is smaller than the sum of its proper divisors (28109371085932).

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

20042332324400 is a wasteful number, since it uses less digits than its factorization.

20042332324400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50105830829 (or 50105830818 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20042332324400 its reverse (442323324002), we get a palindrome (20484655648402).

The spelling of 20042332324400 in words is "twenty trillion, forty-two billion, three hundred thirty-two million, three hundred twenty-four thousand, four hundred".