20411035421333 has 2 divisors, whose sum is σ = 20411035421334. Its totient is φ = 20411035421332.

The previous prime is 20411035421323. The next prime is 20411035421339. The reversal of 20411035421333 is 33312453011402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20006002459249 + 405032962084 = 4472807^2 + 636422^2 .

It is a cyclic number.

It is not a de Polignac number, because 20411035421333 - 2²⁸ = 20410766985877 is a prime.

It is a super-2 number, since 2×20411035421333² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20411035421333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20411035421339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205517710666 + 10205517710667.

It is an arithmetic number, because the mean of its divisors is an integer number (10205517710667).

Almost surely, 2^{20411035421333} is an apocalyptic number.

It is an amenable number.

20411035421333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411035421333 is an equidigital number, since it uses as much as digits as its factorization.

20411035421333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20411035421333 its reverse (33312453011402), we get a palindrome (53723488432735).

The spelling of 20411035421333 in words is "twenty trillion, four hundred eleven billion, thirty-five million, four hundred twenty-one thousand, three hundred thirty-three".