21002302202 has 16 divisors (see below), whose sum is σ = 37569336192. Its totient is φ = 8609639280.

The previous prime is 21002302177. The next prime is 21002302247. The reversal of 21002302202 is 20220320012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32611949 + ... + 32612592.

It is an arithmetic number, because the mean of its divisors is an integer number (2348083512).

Almost surely, 2^21002302202 is an apocalyptic number.

21002302202 is a deficient number, since it is larger than the sum of its proper divisors (16567033990).

21002302202 is a wasteful number, since it uses less digits than its factorization.

21002302202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65224573.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 21002302202 its reverse (20220320012), we get a palindrome (41222622214).

The spelling of 21002302202 in words is "twenty-one billion, two million, three hundred two thousand, two hundred two".