20444420022 has 64 divisors (see below), whose sum is σ = 45285246720. Its totient is φ = 6114086784.

The previous prime is 20444419993. The next prime is 20444420027. The reversal of 20444420022 is 22002444402.

It is a junction number, because it is equal to n+sod(n) for n = 20444419974 and 20444420001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444420027) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 419229 + ... + 465447.

It is an arithmetic number, because the mean of its divisors is an integer number (707581980).

Almost surely, 2^20444420022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20444420022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22642623360).

20444420022 is an abundant number, since it is smaller than the sum of its proper divisors (24840826698).

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

20444420022 is a wasteful number, since it uses less digits than its factorization.

20444420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46397.

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

Adding to 20444420022 its reverse (22002444402), we get a palindrome (42446864424).

The spelling of 20444420022 in words is "twenty billion, four hundred forty-four million, four hundred twenty thousand, twenty-two".