20010000201 has 4 divisors (see below), whose sum is σ = 26680000272. Its totient is φ = 13340000132.

The previous prime is 20010000191. The next prime is 20010000247. The reversal of 20010000201 is 10200001002.

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 20010000201 - 2²⁹ = 19473129289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010000201.

It is not an unprimeable number, because it can be changed into a prime (20010000281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335000031 + ... + 3335000036.

It is an arithmetic number, because the mean of its divisors is an integer number (6670000068).

Almost surely, 2^20010000201 is an apocalyptic number.

It is an amenable number.

20010000201 is a deficient number, since it is larger than the sum of its proper divisors (6670000071).

20010000201 is an equidigital number, since it uses as much as digits as its factorization.

20010000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670000070.

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

Adding to 20010000201 its reverse (10200001002), we get a palindrome (30210001203).

The spelling of 20010000201 in words is "twenty billion, ten million, two hundred one", and thus it is an aban number.