21560480202 has 16 divisors (see below), whose sum is σ = 43193684160. Its totient is φ = 7174706112.

The previous prime is 21560480177. The next prime is 21560480213. The reversal of 21560480202 is 20208406512.

It is a self number, because there is not a number n which added to its sum of digits gives 21560480202.

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, 3026302 + ... + 3033417.

It is an arithmetic number, because the mean of its divisors is an integer number (2699605260).

Almost surely, 2^21560480202 is an apocalyptic number.

21560480202 is an abundant number, since it is smaller than the sum of its proper divisors (21633203958).

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

21560480202 is a wasteful number, since it uses less digits than its factorization.

21560480202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060317.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 21560480202 its reverse (20208406512), we get a palindrome (41768886714).

The spelling of 21560480202 in words is "twenty-one billion, five hundred sixty million, four hundred eighty thousand, two hundred two".