20323332541455 has 64 divisors (see below), whose sum is σ = 34798101811200. Its totient is φ = 10106066396160.

The previous prime is 20323332541441. The next prime is 20323332541459. The reversal of 20323332541455 is 55414523332302.

It is not a de Polignac number, because 20323332541455 - 2⁵ = 20323332541423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323332541459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4683891 + ... + 7911099.

It is an arithmetic number, because the mean of its divisors is an integer number (543720340800).

Almost surely, 2^{20323332541455} is an apocalyptic number.

20323332541455 is a deficient number, since it is larger than the sum of its proper divisors (14474769269745).

20323332541455 is a wasteful number, since it uses less digits than its factorization.

20323332541455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227744.

The product of its (nonzero) digits is 1296000, while the sum is 42.

Adding to 20323332541455 its reverse (55414523332302), we get a palindrome (75737855873757).

The spelling of 20323332541455 in words is "twenty trillion, three hundred twenty-three billion, three hundred thirty-two million, five hundred forty-one thousand, four hundred fifty-five".