20113334133541 has 32 divisors (see below), whose sum is σ = 23654519434368. Its totient is φ = 16898750576640.

The previous prime is 20113334133511. The next prime is 20113334133553. The reversal of 20113334133541 is 14533143331102.

It is a cyclic number.

It is not a de Polignac number, because 20113334133541 - 2⁵ = 20113334133509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20113334133497 and 20113334133506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113334133511) 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, 146590 + ... + 6344143.

It is an arithmetic number, because the mean of its divisors is an integer number (739203732324).

Almost surely, 2^{20113334133541} is an apocalyptic number.

It is an amenable number.

20113334133541 is a deficient number, since it is larger than the sum of its proper divisors (3541185300827).

20113334133541 is a wasteful number, since it uses less digits than its factorization.

20113334133541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491061.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 20113334133541 its reverse (14533143331102), we get a palindrome (34646477464643).

The spelling of 20113334133541 in words is "twenty trillion, one hundred thirteen billion, three hundred thirty-four million, one hundred thirty-three thousand, five hundred forty-one".