20100000201 has 16 divisors (see below), whose sum is σ = 28800005184. Its totient is φ = 12423527424.

The previous prime is 20100000197. The next prime is 20100000227. The reversal of 20100000201 is 10200000102.

It is a happy number.

It is not a de Polignac number, because 20100000201 - 2² = 20100000197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20100000201.

It is not an unprimeable number, because it can be changed into a prime (20100000101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2937760 + ... + 2944593.

It is an arithmetic number, because the mean of its divisors is an integer number (1800000324).

Almost surely, 2^20100000201 is an apocalyptic number.

It is an amenable number.

20100000201 is a deficient number, since it is larger than the sum of its proper divisors (8700004983).

20100000201 is a wasteful number, since it uses less digits than its factorization.

20100000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882440.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20100000201 its reverse (10200000102), we get a palindrome (30300000303).

Subtracting from 20100000201 its reverse (10200000102), we obtain a palindrome (9900000099).

The spelling of 20100000201 in words is "twenty billion, one hundred million, two hundred one", and thus it is an aban number.