21302302202 has 8 divisors (see below), whose sum is σ = 31954079316. Its totient is φ = 10650942432.

The previous prime is 21302302193. The next prime is 21302302213. The reversal of 21302302202 is 20220320312.

It can be written as a sum of positive squares in 2 ways, for example, as 21188004721 + 114297481 = 145561^2 + 10691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118208 + ... + 237860.

Almost surely, 2^21302302202 is an apocalyptic number.

21302302202 is a deficient number, since it is larger than the sum of its proper divisors (10651777114).

21302302202 is a wasteful number, since it uses less digits than its factorization.

21302302202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208672.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21302302202 its reverse (20220320312), we get a palindrome (41522622514).

The spelling of 21302302202 in words is "twenty-one billion, three hundred two million, three hundred two thousand, two hundred two".