20441121113 has 48 divisors (see below), whose sum is σ = 25524975744. Its totient is φ = 16264281600.

The previous prime is 20441121109. The next prime is 20441121119. The reversal of 20441121113 is 31112114402.

It is not a de Polignac number, because 20441121113 - 2² = 20441121109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20441121119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20502131 + ... + 20503127.

It is an arithmetic number, because the mean of its divisors is an integer number (531770328).

Almost surely, 2^20441121113 is an apocalyptic number.

It is an amenable number.

20441121113 is a deficient number, since it is larger than the sum of its proper divisors (5083854631).

20441121113 is a wasteful number, since it uses less digits than its factorization.

20441121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20441121113 its reverse (31112114402), we get a palindrome (51553235515).

The spelling of 20441121113 in words is "twenty billion, four hundred forty-one million, one hundred twenty-one thousand, one hundred thirteen".