20103002201 has 4 divisors (see below), whose sum is σ = 20122926900. Its totient is φ = 20083077504.

The previous prime is 20103002191. The next prime is 20103002219. The reversal of 20103002201 is 10220030102.

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 10167697225 + 9935304976 = 100835^2 + 99676^2 .

It is a cyclic number.

It is not a de Polignac number, because 20103002201 - 2⁶ = 20103002137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103002251) 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, 9960836 + ... + 9962853.

It is an arithmetic number, because the mean of its divisors is an integer number (5030731725).

Almost surely, 2^20103002201 is an apocalyptic number.

It is an amenable number.

20103002201 is a deficient number, since it is larger than the sum of its proper divisors (19924699).

20103002201 is a wasteful number, since it uses less digits than its factorization.

20103002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19924698.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20103002201 its reverse (10220030102), we get a palindrome (30323032303).

The spelling of 20103002201 in words is "twenty billion, one hundred three million, two thousand, two hundred one".