21300214302 has 128 divisors (see below), whose sum is σ = 50898032640. Its totient is φ = 6586272000.

The previous prime is 21300214249. The next prime is 21300214319. The reversal of 21300214302 is 20341200312.

21300214302 is a `hidden beast` number, since 213 + 0 + 0 + 21 + 430 + 2 = 666.

It is a super-3 number, since 3×21300214302³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9215727 + ... + 9218037.

It is an arithmetic number, because the mean of its divisors is an integer number (397640880).

Almost surely, 2^21300214302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21300214302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25449016320).

21300214302 is an abundant number, since it is smaller than the sum of its proper divisors (29597818338).

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

21300214302 is a wasteful number, since it uses less digits than its factorization.

21300214302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21300214302 its reverse (20341200312), we get a palindrome (41641414614).

The spelling of 21300214302 in words is "twenty-one billion, three hundred million, two hundred fourteen thousand, three hundred two".