20352140335346 has 8 divisors (see below), whose sum is σ = 30577688965980. Its totient is φ = 10159577346688.

The previous prime is 20352140335283. The next prime is 20352140335511. The reversal of 20352140335346 is 64353304125302.

It can be written as a sum of positive squares in 2 ways, for example, as 12868441482121 + 7483698853225 = 3587261^2 + 2735635^2 .

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

It is a Curzon 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, 8246408951 + ... + 8246411418.

Almost surely, 2^{20352140335346} is an apocalyptic number.

20352140335346 is a deficient number, since it is larger than the sum of its proper divisors (10225548630634).

20352140335346 is a wasteful number, since it uses less digits than its factorization.

20352140335346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16492820988.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 20352140335346 in words is "twenty trillion, three hundred fifty-two billion, one hundred forty million, three hundred thirty-five thousand, three hundred forty-six".