20442044441 has 16 divisors (see below), whose sum is σ = 25172805504. Its totient is φ = 16165332864.

The previous prime is 20442044437. The next prime is 20442044473. The reversal of 20442044441 is 14444024402.

It is a cyclic number.

It is not a de Polignac number, because 20442044441 - 2² = 20442044437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20442044741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115370 + ... + 232796.

It is an arithmetic number, because the mean of its divisors is an integer number (1573300344).

Almost surely, 2^20442044441 is an apocalyptic number.

It is an amenable number.

20442044441 is a deficient number, since it is larger than the sum of its proper divisors (4730761063).

20442044441 is a wasteful number, since it uses less digits than its factorization.

20442044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119360.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 20442044441 its reverse (14444024402), we get a palindrome (34886068843).

The spelling of 20442044441 in words is "twenty billion, four hundred forty-two million, forty-four thousand, four hundred forty-one".