21889702202 has 8 divisors (see below), whose sum is σ = 33250180800. Its totient is φ = 10806308604.

The previous prime is 21889702199. The next prime is 21889702253. The reversal of 21889702202 is 20220798812.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21889702202.

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 3 ways as a sum of consecutive naturals, for example, 69271052 + ... + 69271367.

It is an arithmetic number, because the mean of its divisors is an integer number (4156272600).

Almost surely, 2^21889702202 is an apocalyptic number.

21889702202 is a deficient number, since it is larger than the sum of its proper divisors (11360478598).

21889702202 is a wasteful number, since it uses less digits than its factorization.

21889702202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138542500.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 21889702202 in words is "twenty-one billion, eight hundred eighty-nine million, seven hundred two thousand, two hundred two".