20200321201 has 8 divisors (see below), whose sum is σ = 20710583208. Its totient is φ = 19690896000.

The previous prime is 20200321187. The next prime is 20200321223. The reversal of 20200321201 is 10212300202.

It can be written as a sum of positive squares in 4 ways, for example, as 8331308176 + 11869013025 = 91276^2 + 108945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20200321201 - 2⁷ = 20200321073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200301201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160170 + ... + 257011.

It is an arithmetic number, because the mean of its divisors is an integer number (2588822901).

Almost surely, 2^20200321201 is an apocalyptic number.

It is an amenable number.

20200321201 is a deficient number, since it is larger than the sum of its proper divisors (510262007).

20200321201 is a wasteful number, since it uses less digits than its factorization.

20200321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418403.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20200321201 its reverse (10212300202), we get a palindrome (30412621403).

The spelling of 20200321201 in words is "twenty billion, two hundred million, three hundred twenty-one thousand, two hundred one".