20103321201 has 4 divisors (see below), whose sum is σ = 26804428272. Its totient is φ = 13402214132.

The previous prime is 20103321181. The next prime is 20103321211. The reversal of 20103321201 is 10212330102.

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 20103321201 - 2⁵ = 20103321169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103321211) 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, 3350553531 + ... + 3350553536.

It is an arithmetic number, because the mean of its divisors is an integer number (6701107068).

Almost surely, 2^20103321201 is an apocalyptic number.

It is an amenable number.

20103321201 is a deficient number, since it is larger than the sum of its proper divisors (6701107071).

20103321201 is an equidigital number, since it uses as much as digits as its factorization.

20103321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701107070.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20103321201 its reverse (10212330102), we get a palindrome (30315651303).

The spelling of 20103321201 in words is "twenty billion, one hundred three million, three hundred twenty-one thousand, two hundred one".