20824067135 has 4 divisors (see below), whose sum is σ = 24988880568. Its totient is φ = 16659253704.

The previous prime is 20824067113. The next prime is 20824067179. The reversal of 20824067135 is 53176042802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20824067135 - 2¹⁰ = 20824066111 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2082406709 + ... + 2082406718.

It is an arithmetic number, because the mean of its divisors is an integer number (6247220142).

Almost surely, 2^20824067135 is an apocalyptic number.

20824067135 is a deficient number, since it is larger than the sum of its proper divisors (4164813433).

20824067135 is an equidigital number, since it uses as much as digits as its factorization.

20824067135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164813432.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 20824067135 in words is "twenty billion, eight hundred twenty-four million, sixty-seven thousand, one hundred thirty-five".