20010000202201 has 6 divisors (see below), whose sum is σ = 21118587471402. Its totient is φ = 18956842296480.

The previous prime is 20010000202187. The next prime is 20010000202207. The reversal of 20010000202201 is 10220200001002.

It can be written as a sum of positive squares in only one way, i.e., 17797935937600 + 2212064264601 = 4218760^2 + 1487301^2 .

It is not a de Polignac number, because 20010000202201 - 2¹¹ = 20010000200153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010000202207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27714681360 + ... + 27714682081.

It is an arithmetic number, because the mean of its divisors is an integer number (3519764578567).

Almost surely, 2^{20010000202201} is an apocalyptic number.

It is an amenable number.

20010000202201 is a deficient number, since it is larger than the sum of its proper divisors (1108587269201).

20010000202201 is an equidigital number, since it uses as much as digits as its factorization.

20010000202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55429363479 (or 55429363460 counting only the distinct ones).

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

Adding to 20010000202201 its reverse (10220200001002), we get a palindrome (30230200203203).

The spelling of 20010000202201 in words is "twenty trillion, ten billion, two hundred two thousand, two hundred one".