20010220102201 has 4 divisors (see below), whose sum is σ = 22868822973952. Its totient is φ = 17151617230452.

The previous prime is 20010220102177. The next prime is 20010220102247. The reversal of 20010220102201 is 10220102201002.

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 20010220102201 - 2¹⁷ = 20010219971129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010220142201) 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 3 ways as a sum of consecutive naturals, for example, 1429301435865 + ... + 1429301435878.

It is an arithmetic number, because the mean of its divisors is an integer number (5717205743488).

Almost surely, 2^{20010220102201} is an apocalyptic number.

It is an amenable number.

20010220102201 is a deficient number, since it is larger than the sum of its proper divisors (2858602871751).

20010220102201 is an equidigital number, since it uses as much as digits as its factorization.

20010220102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858602871750.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010220102201 its reverse (10220102201002), we get a palindrome (30230322303203).

The spelling of 20010220102201 in words is "twenty trillion, ten billion, two hundred twenty million, one hundred two thousand, two hundred one".