20401400323333 has 8 divisors (see below), whose sum is σ = 20409893076600. Its totient is φ = 20392909276608.

The previous prime is 20401400323321. The next prime is 20401400323351. The reversal of 20401400323333 is 33332300410402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16213966595649 + 4187433727684 = 4026657^2 + 2046322^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20401400323333 - 2⁴¹ = 18202377067781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401400323313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23772763 + ... + 24615991.

It is an arithmetic number, because the mean of its divisors is an integer number (2551236634575).

Almost surely, 2^{20401400323333} is an apocalyptic number.

It is an amenable number.

20401400323333 is a deficient number, since it is larger than the sum of its proper divisors (8492753267).

20401400323333 is an equidigital number, since it uses as much as digits as its factorization.

20401400323333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853271.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20401400323333 its reverse (33332300410402), we get a palindrome (53733700733735).

The spelling of 20401400323333 in words is "twenty trillion, four hundred one billion, four hundred million, three hundred twenty-three thousand, three hundred thirty-three".