20212203201 has 4 divisors (see below), whose sum is σ = 26949604272. Its totient is φ = 13474802132.

The previous prime is 20212203163. The next prime is 20212203203. The reversal of 20212203201 is 10230221202.

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 20212203201 - 2³⁴ = 3032334017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212203203) 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, 3368700531 + ... + 3368700536.

It is an arithmetic number, because the mean of its divisors is an integer number (6737401068).

Almost surely, 2^20212203201 is an apocalyptic number.

It is an amenable number.

20212203201 is a deficient number, since it is larger than the sum of its proper divisors (6737401071).

20212203201 is an equidigital number, since it uses as much as digits as its factorization.

20212203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737401070.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20212203201 its reverse (10230221202), we get a palindrome (30442424403).

The spelling of 20212203201 in words is "twenty billion, two hundred twelve million, two hundred three thousand, two hundred one".