20100000202 has 8 divisors (see below), whose sum is σ = 30366907200.
Its totient is φ = 9977697804.
The previous prime is 20100000197. The next prime is 20100000227. The reversal of 20100000202 is 20200000102.
Adding to 20100000202 its reverse (20200000102), we get a palindrome (40300000304).
It is a happy number.
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 (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36150802 + ... + 36151357.
It is an arithmetic number, because the mean of its divisors is an integer number (3795863400).
Almost surely, 220100000202 is an apocalyptic number.
20100000202 is a deficient number, since it is larger than the sum of its proper divisors (10266906998).
20100000202 is a wasteful number, since it uses less digits than its factorization.
20100000202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72302300.
The product of its (nonzero) digits is 8, while the sum is 7.
The spelling of 20100000202 in words is "twenty billion, one hundred million, two hundred two", and thus it is an aban number.