20352320544506 has 8 divisors (see below), whose sum is σ = 30530545968384. Its totient is φ = 10175471888380.

The previous prime is 20352320544469. The next prime is 20352320544539. The reversal of 20352320544506 is 60544502325302.

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

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, 344154980 + ... + 344214111.

It is an arithmetic number, because the mean of its divisors is an integer number (3816318246048).

Almost surely, 2^{20352320544506} is an apocalyptic number.

20352320544506 is a deficient number, since it is larger than the sum of its proper divisors (10178225423878).

20352320544506 is a wasteful number, since it uses less digits than its factorization.

20352320544506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688383876.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 20352320544506 its reverse (60544502325302), we get a palindrome (80896822869808).

The spelling of 20352320544506 in words is "twenty trillion, three hundred fifty-two billion, three hundred twenty million, five hundred forty-four thousand, five hundred six".