21300203202 has 16 divisors (see below), whose sum is σ = 43200412992. Its totient is φ = 7000066640.

The previous prime is 21300203189. The next prime is 21300203233. The reversal of 21300203202 is 20230200312.

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 7 ways as a sum of consecutive naturals, for example, 24999813 + ... + 25000664.

It is an arithmetic number, because the mean of its divisors is an integer number (2700025812).

Almost surely, 2^21300203202 is an apocalyptic number.

21300203202 is an abundant number, since it is smaller than the sum of its proper divisors (21900209790).

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

21300203202 is a wasteful number, since it uses less digits than its factorization.

21300203202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50000553.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21300203202 its reverse (20230200312), we get a palindrome (41530403514).

The spelling of 21300203202 in words is "twenty-one billion, three hundred million, two hundred three thousand, two hundred two".