20335044505111 has 32 divisors (see below), whose sum is σ = 24496068280320. Its totient is φ = 16490502482400.

The previous prime is 20335044505109. The next prime is 20335044505117. The reversal of 20335044505111 is 11150544053302.

It is a cyclic number.

It is not a de Polignac number, because 20335044505111 - 2¹ = 20335044505109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335044505117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355038406 + ... + 355095676.

It is an arithmetic number, because the mean of its divisors is an integer number (765502133760).

Almost surely, 2^{20335044505111} is an apocalyptic number.

20335044505111 is a deficient number, since it is larger than the sum of its proper divisors (4161023775209).

20335044505111 is a wasteful number, since it uses less digits than its factorization.

20335044505111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60835.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 20335044505111 its reverse (11150544053302), we get a palindrome (31485588558413).

The spelling of 20335044505111 in words is "twenty trillion, three hundred thirty-five billion, forty-four million, five hundred five thousand, one hundred eleven".