20313445535 has 8 divisors (see below), whose sum is σ = 24445982400. Its totient is φ = 16204191264.

The previous prime is 20313445499. The next prime is 20313445631. The reversal of 20313445535 is 53554431302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20313445535 - 2²⁰ = 20312396959 is a prime.

It is a super-2 number, since 2×20313445535² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20313445495 and 20313445504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5818727 + ... + 5822216.

It is an arithmetic number, because the mean of its divisors is an integer number (3055747800).

Almost surely, 2^20313445535 is an apocalyptic number.

20313445535 is a deficient number, since it is larger than the sum of its proper divisors (4132536865).

20313445535 is a wasteful number, since it uses less digits than its factorization.

20313445535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11641297.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 20313445535 its reverse (53554431302), we get a palindrome (73867876837).

The spelling of 20313445535 in words is "twenty billion, three hundred thirteen million, four hundred forty-five thousand, five hundred thirty-five".