20445411041 has 8 divisors (see below), whose sum is σ = 22416168000. Its totient is φ = 18493334640.

The previous prime is 20445411013. The next prime is 20445411043. The reversal of 20445411041 is 14011454402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20445411041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20445411041.

It is not an unprimeable number, because it can be changed into a prime (20445411043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4667846 + ... + 4672223.

It is an arithmetic number, because the mean of its divisors is an integer number (2802021000).

Almost surely, 2^20445411041 is an apocalyptic number.

It is an amenable number.

20445411041 is a deficient number, since it is larger than the sum of its proper divisors (1970756959).

20445411041 is a wasteful number, since it uses less digits than its factorization.

20445411041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340279.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 20445411041 its reverse (14011454402), we get a palindrome (34456865443).

The spelling of 20445411041 in words is "twenty billion, four hundred forty-five million, four hundred eleven thousand, forty-one".