20424135143335 has 64 divisors (see below), whose sum is σ = 30861915162624. Its totient is φ = 12604747968000.

The previous prime is 20424135143323. The next prime is 20424135143413. The reversal of 20424135143335 is 53334153142402.

It is not a de Polignac number, because 20424135143335 - 2¹⁷ = 20424135012263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 730907374 + ... + 730935316.

It is an arithmetic number, because the mean of its divisors is an integer number (482217424416).

Almost surely, 2^{20424135143335} is an apocalyptic number.

20424135143335 is a deficient number, since it is larger than the sum of its proper divisors (10437780019289).

20424135143335 is a wasteful number, since it uses less digits than its factorization.

20424135143335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46864.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 20424135143335 its reverse (53334153142402), we get a palindrome (73758288285737).

The spelling of 20424135143335 in words is "twenty trillion, four hundred twenty-four billion, one hundred thirty-five million, one hundred forty-three thousand, three hundred thirty-five".