20302123212300 has 144 divisors (see below), whose sum is σ = 62207300477952. Its totient is φ = 5094521472000.

The previous prime is 20302123212277. The next prime is 20302123212361. The reversal of 20302123212300 is 321232120302.

It is a happy number.

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, 28323325 + ... + 29031275.

It is an arithmetic number, because the mean of its divisors is an integer number (431995142208).

Almost surely, 2^{20302123212300} is an apocalyptic number.

20302123212300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20302123212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31103650238976).

20302123212300 is an abundant number, since it is smaller than the sum of its proper divisors (41905177265652).

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

20302123212300 is a wasteful number, since it uses less digits than its factorization.

20302123212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713608 (or 713601 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20302123212300 its reverse (321232120302), we get a palindrome (20623355332602).

The spelling of 20302123212300 in words is "twenty trillion, three hundred two billion, one hundred twenty-three million, two hundred twelve thousand, three hundred".