20023200032201 has 4 divisors (see below), whose sum is σ = 20106283850004. Its totient is φ = 19940116214400.

The previous prime is 20023200032197. The next prime is 20023200032233. The reversal of 20023200032201 is 10223000232002.

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 9655437582400 + 10367762449801 = 3107320^2 + 3219901^2 .

It is a cyclic number.

It is not a de Polignac number, because 20023200032201 - 2² = 20023200032197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20023200032201.

It is not an unprimeable number, because it can be changed into a prime (20023200032701) 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, 41541908540 + ... + 41541909021.

It is an arithmetic number, because the mean of its divisors is an integer number (5026570962501).

Almost surely, 2^{20023200032201} is an apocalyptic number.

It is an amenable number.

20023200032201 is a deficient number, since it is larger than the sum of its proper divisors (83083817803).

20023200032201 is an equidigital number, since it uses as much as digits as its factorization.

20023200032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83083817802.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20023200032201 its reverse (10223000232002), we get a palindrome (30246200264203).

The spelling of 20023200032201 in words is "twenty trillion, twenty-three billion, two hundred million, thirty-two thousand, two hundred one".