20003122323201 has 4 divisors (see below), whose sum is σ = 26670829764272. Its totient is φ = 13335414882132.

The previous prime is 20003122323181. The next prime is 20003122323203. The reversal of 20003122323201 is 10232322130002.

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 not a de Polignac number, because 20003122323201 - 2⁶ = 20003122323137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003122323203) 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, 3333853720531 + ... + 3333853720536.

It is an arithmetic number, because the mean of its divisors is an integer number (6667707441068).

Almost surely, 2^{20003122323201} is an apocalyptic number.

It is an amenable number.

20003122323201 is a deficient number, since it is larger than the sum of its proper divisors (6667707441071).

20003122323201 is an equidigital number, since it uses as much as digits as its factorization.

20003122323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667707441070.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20003122323201 its reverse (10232322130002), we get a palindrome (30235444453203).

The spelling of 20003122323201 in words is "twenty trillion, three billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred one".