20316045535 has 4 divisors (see below), whose sum is σ = 24379254648. Its totient is φ = 16252836424.

The previous prime is 20316045499. The next prime is 20316045553. The reversal of 20316045535 is 53554061302.

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 20316045535 - 2⁹ = 20316045023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20316045535.

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, 2031604549 + ... + 2031604558.

It is an arithmetic number, because the mean of its divisors is an integer number (6094813662).

Almost surely, 2^20316045535 is an apocalyptic number.

20316045535 is a deficient number, since it is larger than the sum of its proper divisors (4063209113).

20316045535 is an equidigital number, since it uses as much as digits as its factorization.

20316045535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063209112.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 20316045535 in words is "twenty billion, three hundred sixteen million, forty-five thousand, five hundred thirty-five".