201002120206 has 4 divisors (see below), whose sum is σ = 301503180312. Its totient is φ = 100501060102.

The previous prime is 201002120203. The next prime is 201002120239. The reversal of 201002120206 is 602021200102.

201002120206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201002120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250530050 + ... + 50250530053.

It is an arithmetic number, because the mean of its divisors is an integer number (75375795078).

Almost surely, 2^201002120206 is an apocalyptic number.

201002120206 is a deficient number, since it is larger than the sum of its proper divisors (100501060106).

201002120206 is a wasteful number, since it uses less digits than its factorization.

201002120206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100501060105.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201002120206 its reverse (602021200102), we get a palindrome (803023320308).

The spelling of 201002120206 in words is "two hundred one billion, two million, one hundred twenty thousand, two hundred six".