20320320300 has 144 divisors (see below), whose sum is σ = 69509717760. Its totient is φ = 4484471040.

The previous prime is 20320320283. The next prime is 20320320323. The reversal of 20320320300 is 302302302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20320320300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105934 + ... + 227733.

Almost surely, 2^20320320300 is an apocalyptic number.

20320320300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20320320300 is an abundant number, since it is smaller than the sum of its proper divisors (49189397460).

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

20320320300 is a wasteful number, since it uses less digits than its factorization.

20320320300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333720 (or 333713 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20320320300 its reverse (302302302), we get a palindrome (20622622602).

The spelling of 20320320300 in words is "twenty billion, three hundred twenty million, three hundred twenty thousand, three hundred".