20123310300 has 72 divisors (see below), whose sum is σ = 59322046896. Its totient is φ = 5264962560.

The previous prime is 20123310281. The next prime is 20123310341. The reversal of 20123310300 is 301332102.

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 20123310300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616909 + ... + 648708.

It is an arithmetic number, because the mean of its divisors is an integer number (823917318).

Almost surely, 2^20123310300 is an apocalyptic number.

20123310300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123310300 is an abundant number, since it is smaller than the sum of its proper divisors (39198736596).

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

20123310300 is a wasteful number, since it uses less digits than its factorization.

20123310300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265687 (or 1265680 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20123310300 its reverse (301332102), we get a palindrome (20424642402).

The spelling of 20123310300 in words is "twenty billion, one hundred twenty-three million, three hundred ten thousand, three hundred".