20022200442444 has 48 divisors (see below), whose sum is σ = 47152425529440. Its totient is φ = 6612086730240.

The previous prime is 20022200442403. The next prime is 20022200442481. The reversal of 20022200442444 is 44424400222002.

It is a happy 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, 10726432 + ... + 12453944.

It is an arithmetic number, because the mean of its divisors is an integer number (982342198530).

Almost surely, 2^{20022200442444} is an apocalyptic number.

It is an amenable number.

20022200442444 is an abundant number, since it is smaller than the sum of its proper divisors (27130225086996).

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

20022200442444 is a wasteful number, since it uses less digits than its factorization.

20022200442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736490 (or 1736488 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20022200442444 its reverse (44424400222002), we get a palindrome (64446600664446).

The spelling of 20022200442444 in words is "twenty trillion, twenty-two billion, two hundred million, four hundred forty-two thousand, four hundred forty-four".