20202100201 has 4 divisors (see below), whose sum is σ = 20202450304. Its totient is φ = 20201750100.

The previous prime is 20202100187. The next prime is 20202100253. The reversal of 20202100201 is 10200120202.

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 a de Polignac number, because none of the positive numbers 2^k-20202100201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202109201) 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 3 ways as a sum of consecutive naturals, for example, 65745 + ... + 211486.

It is an arithmetic number, because the mean of its divisors is an integer number (5050612576).

Almost surely, 2^20202100201 is an apocalyptic number.

It is an amenable number.

20202100201 is a deficient number, since it is larger than the sum of its proper divisors (350103).

20202100201 is an equidigital number, since it uses as much as digits as its factorization.

20202100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350102.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20202100201 its reverse (10200120202), we get a palindrome (30402220403).

The spelling of 20202100201 in words is "twenty billion, two hundred two million, one hundred thousand, two hundred one".