16520205002 has 32 divisors (see below), whose sum is σ = 29046657024. Its totient is φ = 6899281200.

The previous prime is 16520204983. The next prime is 16520205007. The reversal of 16520205002 is 20050202561.

It is not an unprimeable number, because it can be changed into a prime (16520205007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227627 + ... + 291297.

It is an arithmetic number, because the mean of its divisors is an integer number (907708032).

Almost surely, 2^16520205002 is an apocalyptic number.

16520205002 is a deficient number, since it is larger than the sum of its proper divisors (12526452022).

16520205002 is a wasteful number, since it uses less digits than its factorization.

16520205002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64154.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 16520205002 its reverse (20050202561), we get a palindrome (36570407563).

The spelling of 16520205002 in words is "sixteen billion, five hundred twenty million, two hundred five thousand, two".