20123321003201 has 8 divisors (see below), whose sum is σ = 21945588631680. Its totient is φ = 18340241926032.

The previous prime is 20123321003183. The next prime is 20123321003207. The reversal of 20123321003201 is 10230012332102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20123321003201 - 2¹⁸ = 20123320741057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123321003207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9797136755 + ... + 9797138808.

It is an arithmetic number, because the mean of its divisors is an integer number (2743198578960).

Almost surely, 2^{20123321003201} is an apocalyptic number.

It is an amenable number.

20123321003201 is a deficient number, since it is larger than the sum of its proper divisors (1822267628479).

20123321003201 is a wasteful number, since it uses less digits than its factorization.

20123321003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19594275655.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20123321003201 its reverse (10230012332102), we get a palindrome (30353333335303).

The spelling of 20123321003201 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty-one million, three thousand, two hundred one".