20306328006 has 16 divisors (see below), whose sum is σ = 40627669248. Its totient is φ = 6766273800.

The previous prime is 20306328001. The next prime is 20306328017. The reversal of 20306328006 is 60082360302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20306328001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607930 + ... + 640461.

It is an arithmetic number, because the mean of its divisors is an integer number (2539229328).

Almost surely, 2^20306328006 is an apocalyptic number.

20306328006 is an abundant number, since it is smaller than the sum of its proper divisors (20321341242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20306328006 is a wasteful number, since it uses less digits than its factorization.

20306328006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251107.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 20306328006 its reverse (60082360302), we get a palindrome (80388688308).

The spelling of 20306328006 in words is "twenty billion, three hundred six million, three hundred twenty-eight thousand, six".