20330311441 has 16 divisors (see below), whose sum is σ = 23804843328. Its totient is φ = 17156620800.

The previous prime is 20330311439. The next prime is 20330311447. The reversal of 20330311441 is 14411303302.

It is not a de Polignac number, because 20330311441 - 2¹ = 20330311439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330311447) 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, 730995 + ... + 758296.

It is an arithmetic number, because the mean of its divisors is an integer number (1487802708).

Almost surely, 2^20330311441 is an apocalyptic number.

It is an amenable number.

20330311441 is a deficient number, since it is larger than the sum of its proper divisors (3474531887).

20330311441 is a wasteful number, since it uses less digits than its factorization.

20330311441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489392.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20330311441 its reverse (14411303302), we get a palindrome (34741614743).

The spelling of 20330311441 in words is "twenty billion, three hundred thirty million, three hundred eleven thousand, four hundred forty-one".