20102010020201 has 4 divisors (see below), whose sum is σ = 21160010547600. Its totient is φ = 19044009492804.

The previous prime is 20102010020179. The next prime is 20102010020207. The reversal of 20102010020201 is 10202001020102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20102010020201 - 2⁶ = 20102010020137 is a prime.

It is a super-2 number, since 2×20102010020201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102010020207) 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 in 3 ways as a sum of consecutive naturals, for example, 529000263671 + ... + 529000263708.

It is an arithmetic number, because the mean of its divisors is an integer number (5290002636900).

Almost surely, 2^{20102010020201} is an apocalyptic number.

It is an amenable number.

20102010020201 is a deficient number, since it is larger than the sum of its proper divisors (1058000527399).

20102010020201 is a wasteful number, since it uses less digits than its factorization.

20102010020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058000527398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20102010020201 its reverse (10202001020102), we get a palindrome (30304011040303).

Subtracting from 20102010020201 its reverse (10202001020102), we obtain a palindrome (9900009000099).

The spelling of 20102010020201 in words is "twenty trillion, one hundred two billion, ten million, twenty thousand, two hundred one".