20424135143336 has 16 divisors (see below), whose sum is σ = 39615779373300. Its totient is φ = 9859927310464.

The previous prime is 20424135143323. The next prime is 20424135143413. The reversal of 20424135143336 is 63334153142402.

It can be written as a sum of positive squares in 2 ways, for example, as 18973917080836 + 1450218062500 = 4355906^2 + 1204250^2 .

It is a super-3 number, since 3×20424135143336³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20424135143293 and 20424135143302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44017532405 + ... + 44017532868.

Almost surely, 2^{20424135143336} is an apocalyptic number.

It is an amenable number.

20424135143336 is a deficient number, since it is larger than the sum of its proper divisors (19191644229964).

20424135143336 is a wasteful number, since it uses less digits than its factorization.

20424135143336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88035065308 (or 88035065304 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 20424135143336 its reverse (63334153142402), we get a palindrome (83758288285738).

The spelling of 20424135143336 in words is "twenty trillion, four hundred twenty-four billion, one hundred thirty-five million, one hundred forty-three thousand, three hundred thirty-six".