20000422004442 has 256 divisors, whose sum is σ = 48827522151936. Its totient is φ = 5391360000000.

The previous prime is 20000422004429. The next prime is 20000422004491. The reversal of 20000422004442 is 24440022400002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 222179442 + ... + 222269442.

It is an arithmetic number, because the mean of its divisors is an integer number (190732508406).

Almost surely, 2^{20000422004442} is an apocalyptic number.

20000422004442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000422004442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24413761075968).

20000422004442 is an abundant number, since it is smaller than the sum of its proper divisors (28827100147494).

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

20000422004442 is a wasteful number, since it uses less digits than its factorization.

20000422004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90225.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20000422004442 its reverse (24440022400002), we get a palindrome (44440444404444).

The spelling of 20000422004442 in words is "twenty trillion, four hundred twenty-two million, four thousand, four hundred forty-two".