20440103411 has 8 divisors (see below), whose sum is σ = 25157050464. Its totient is φ = 16172389440.

The previous prime is 20440103401. The next prime is 20440103419. The reversal of 20440103411 is 11430104402.

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

It is a cyclic number.

It is not a de Polignac number, because 20440103411 - 2²² = 20435909107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20440103419) 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, 112308170 + ... + 112308351.

It is an arithmetic number, because the mean of its divisors is an integer number (3144631308).

Almost surely, 2^20440103411 is an apocalyptic number.

20440103411 is a deficient number, since it is larger than the sum of its proper divisors (4716947053).

20440103411 is a wasteful number, since it uses less digits than its factorization.

20440103411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224616541.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20440103411 its reverse (11430104402), we get a palindrome (31870207813).

Subtracting from 20440103411 its reverse (11430104402), we obtain a palindrome (9009999009).

The spelling of 20440103411 in words is "twenty billion, four hundred forty million, one hundred three thousand, four hundred eleven".