20356435713 has 8 divisors (see below), whose sum is σ = 27142649248. Its totient is φ = 13570589664.

The previous prime is 20356435703. The next prime is 20356435739. The reversal of 20356435713 is 31753465302.

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

It is not a de Polignac number, because 20356435713 - 2⁹ = 20356435201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20356435703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87306 + ... + 219852.

It is an arithmetic number, because the mean of its divisors is an integer number (3392831156).

Almost surely, 2^20356435713 is an apocalyptic number.

It is an amenable number.

20356435713 is a deficient number, since it is larger than the sum of its proper divisors (6786213535).

20356435713 is a wasteful number, since it uses less digits than its factorization.

20356435713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183743.

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 20356435713 in words is "twenty billion, three hundred fifty-six million, four hundred thirty-five thousand, seven hundred thirteen".