20345356457326 has 8 divisors (see below), whose sum is σ = 30636781903440. Its totient is φ = 10133095822848.

The previous prime is 20345356457317. The next prime is 20345356457407. The reversal of 20345356457326 is 62375465354302.

It is a happy number.

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

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, 19791202266 + ... + 19791203293.

It is an arithmetic number, because the mean of its divisors is an integer number (3829597737930).

Almost surely, 2^{20345356457326} is an apocalyptic number.

20345356457326 is a deficient number, since it is larger than the sum of its proper divisors (10291425446114).

20345356457326 is a wasteful number, since it uses less digits than its factorization.

20345356457326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39582405818.

The product of its (nonzero) digits is 54432000, while the sum is 55.

The spelling of 20345356457326 in words is "twenty trillion, three hundred forty-five billion, three hundred fifty-six million, four hundred fifty-seven thousand, three hundred twenty-six".