20201012201 has 4 divisors (see below), whose sum is σ = 20305680852. Its totient is φ = 20096343552.

The previous prime is 20201012191. The next prime is 20201012213. The reversal of 20201012201 is 10221010202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11607907600 + 8593104601 = 107740^2 + 92699^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201012201 - 2³⁰ = 19127270377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201012281) 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, 52334036 + ... + 52334421.

It is an arithmetic number, because the mean of its divisors is an integer number (5076420213).

Almost surely, 2^20201012201 is an apocalyptic number.

It is an amenable number.

20201012201 is a deficient number, since it is larger than the sum of its proper divisors (104668651).

20201012201 is a wasteful number, since it uses less digits than its factorization.

20201012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104668650.

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

Adding to 20201012201 its reverse (10221010202), we get a palindrome (30422022403).

The spelling of 20201012201 in words is "twenty billion, two hundred one million, twelve thousand, two hundred one".