20303216636006 has 16 divisors (see below), whose sum is σ = 30679755917616. Its totient is φ = 10076896736256.

The previous prime is 20303216635981. The next prime is 20303216636023. The reversal of 20303216636006 is 60063661230302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66198251 + ... + 66504246.

It is an arithmetic number, because the mean of its divisors is an integer number (1917484744851).

Almost surely, 2^{20303216636006} is an apocalyptic number.

20303216636006 is a deficient number, since it is larger than the sum of its proper divisors (10376539281610).

20303216636006 is a wasteful number, since it uses less digits than its factorization.

20303216636006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132703063.

The product of its (nonzero) digits is 139968, while the sum is 38.

Adding to 20303216636006 its reverse (60063661230302), we get a palindrome (80366877866308).

The spelling of 20303216636006 in words is "twenty trillion, three hundred three billion, two hundred sixteen million, six hundred thirty-six thousand, six".