20004352515346 has 8 divisors (see below), whose sum is σ = 30515114006640. Its totient is φ = 9832647846468.

The previous prime is 20004352515337. The next prime is 20004352515359. The reversal of 20004352515346 is 64351525340002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20004352515299 and 20004352515308.

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, 84764205456 + ... + 84764205691.

It is an arithmetic number, because the mean of its divisors is an integer number (3814389250830).

Almost surely, 2^{20004352515346} is an apocalyptic number.

20004352515346 is a deficient number, since it is larger than the sum of its proper divisors (10510761491294).

20004352515346 is a wasteful number, since it uses less digits than its factorization.

20004352515346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169528411208.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 20004352515346 its reverse (64351525340002), we get a palindrome (84355877855348).

The spelling of 20004352515346 in words is "twenty trillion, four billion, three hundred fifty-two million, five hundred fifteen thousand, three hundred forty-six".