20022204444440 has 64 divisors (see below), whose sum is σ = 49146349030560. Its totient is φ = 7280662635520.

The previous prime is 20022204444421. The next prime is 20022204444469. The reversal of 20022204444440 is 4444440222002.

It is a junction number, because it is equal to n+sod(n) for n = 20022204444397 and 20022204444406.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 24232364 + ... + 25044996.

Almost surely, 2^{20022204444440} is an apocalyptic number.

20022204444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022204444440 is an abundant number, since it is smaller than the sum of its proper divisors (29124144586120).

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

20022204444440 is a wasteful number, since it uses less digits than its factorization.

20022204444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868652 (or 868648 counting only the distinct ones).

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

Adding to 20022204444440 its reverse (4444440222002), we get a palindrome (24466644666442).

The spelling of 20022204444440 in words is "twenty trillion, twenty-two billion, two hundred four million, four hundred forty-four thousand, four hundred forty".