20211110444 has 48 divisors (see below), whose sum is σ = 40700804928. Its totient is φ = 8602322688.

The previous prime is 20211110429. The next prime is 20211110461. The reversal of 20211110444 is 44401111202.

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, 5990342 + ... + 5993714.

It is an arithmetic number, because the mean of its divisors is an integer number (847933436).

Almost surely, 2^20211110444 is an apocalyptic number.

It is an amenable number.

20211110444 is an abundant number, since it is smaller than the sum of its proper divisors (20489694484).

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

20211110444 is a wasteful number, since it uses less digits than its factorization.

20211110444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20211110444 its reverse (44401111202), we get a palindrome (64612221646).

The spelling of 20211110444 in words is "twenty billion, two hundred eleven million, one hundred ten thousand, four hundred forty-four".