21302232202 has 16 divisors (see below), whose sum is σ = 32197528512. Its totient is φ = 10569775840.

The previous prime is 21302232163. The next prime is 21302232241. The reversal of 21302232202 is 20223220312.

It is an interprime number because it is at equal distance from previous prime (21302232163) and next prime (21302232241).

It is a self number, because there is not a number n which added to its sum of digits gives 21302232202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912123 + ... + 935185.

It is an arithmetic number, because the mean of its divisors is an integer number (2012345532).

Almost surely, 2^21302232202 is an apocalyptic number.

21302232202 is a deficient number, since it is larger than the sum of its proper divisors (10895296310).

21302232202 is a wasteful number, since it uses less digits than its factorization.

21302232202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26573.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21302232202 its reverse (20223220312), we get a palindrome (41525452514).

The spelling of 21302232202 in words is "twenty-one billion, three hundred two million, two hundred thirty-two thousand, two hundred two".