21302330300300 has 108 divisors (see below), whose sum is σ = 53792906174280. Its totient is φ = 7300975207680.

The previous prime is 21302330300281. The next prime is 21302330300333. The reversal of 21302330300300 is 300303320312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12575579 + ... + 14168621.

Almost surely, 2^{21302330300300} is an apocalyptic number.

21302330300300 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 21302330300300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26896453087140).

21302330300300 is an abundant number, since it is smaller than the sum of its proper divisors (32490575873980).

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

21302330300300 is a wasteful number, since it uses less digits than its factorization.

21302330300300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595800 (or 1595786 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 21302330300300 its reverse (300303320312), we get a palindrome (21602633620612).

The spelling of 21302330300300 in words is "twenty-one trillion, three hundred two billion, three hundred thirty million, three hundred thousand, three hundred".