202120200010 has 32 divisors (see below), whose sum is σ = 385246679040. Its totient is φ = 76086511872.

The previous prime is 202120199977. The next prime is 202120200047. The reversal of 202120200010 is 10002021202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 202120200010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2668887 + ... + 2743573.

It is an arithmetic number, because the mean of its divisors is an integer number (12038958720).

Almost surely, 2^202120200010 is an apocalyptic number.

202120200010 is a deficient number, since it is larger than the sum of its proper divisors (183126479030).

202120200010 is a wasteful number, since it uses less digits than its factorization.

202120200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90630.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 202120200010 its reverse (10002021202), we get a palindrome (212122221212).

The spelling of 202120200010 in words is "two hundred two billion, one hundred twenty million, two hundred thousand, ten".