20422202440442 has 8 divisors (see below), whose sum is σ = 33418149448032. Its totient is φ = 9282819291100.

The previous prime is 20422202440363. The next prime is 20422202440499. The reversal of 20422202440442 is 24404420222402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20422202440399 and 20422202440408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464140964534 + ... + 464140964577.

It is an arithmetic number, because the mean of its divisors is an integer number (4177268681004).

Almost surely, 2^{20422202440442} is an apocalyptic number.

20422202440442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20422202440442 is a deficient number, since it is larger than the sum of its proper divisors (12995947007590).

20422202440442 is a wasteful number, since it uses less digits than its factorization.

20422202440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928281929124.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 20422202440442 its reverse (24404420222402), we get a palindrome (44826622662844).

The spelling of 20422202440442 in words is "twenty trillion, four hundred twenty-two billion, two hundred two million, four hundred forty thousand, four hundred forty-two".