20442222022244 has 48 divisors (see below), whose sum is σ = 39424600466496. Its totient is φ = 9197085264000.

The previous prime is 20442222022207. The next prime is 20442222022289. The reversal of 20442222022244 is 44222022224402.

It is a self number, because there is not a number n which added to its sum of digits gives 20442222022244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13749299 + ... + 15163365.

It is an arithmetic number, because the mean of its divisors is an integer number (821345843052).

Almost surely, 2^{20442222022244} is an apocalyptic number.

It is an amenable number.

20442222022244 is a deficient number, since it is larger than the sum of its proper divisors (18982378444252).

20442222022244 is a wasteful number, since it uses less digits than its factorization.

20442222022244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417436 (or 1417434 counting only the distinct ones).

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

Adding to 20442222022244 its reverse (44222022224402), we get a palindrome (64664244246646).

The spelling of 20442222022244 in words is "twenty trillion, four hundred forty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred forty-four".