20331440041111 has 8 divisors (see below), whose sum is σ = 20375574545664. Its totient is φ = 20287306494840.

The previous prime is 20331440041109. The next prime is 20331440041127. The reversal of 20331440041111 is 11114004413302.

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 20331440041111 - 2¹ = 20331440041109 is a prime.

It is a super-2 number, since 2×20331440041111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331440041151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57098856 + ... + 57453826.

It is an arithmetic number, because the mean of its divisors is an integer number (2546946818208).

Almost surely, 2^{20331440041111} is an apocalyptic number.

20331440041111 is a deficient number, since it is larger than the sum of its proper divisors (44134504553).

20331440041111 is a wasteful number, since it uses less digits than its factorization.

20331440041111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479141.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 20331440041111 its reverse (11114004413302), we get a palindrome (31445444454413).

The spelling of 20331440041111 in words is "twenty trillion, three hundred thirty-one billion, four hundred forty million, forty-one thousand, one hundred eleven".