20323332541445 has 4 divisors (see below), whose sum is σ = 24387999049740. Its totient is φ = 16258666033152.

The previous prime is 20323332541441. The next prime is 20323332541459. The reversal of 20323332541445 is 54414523332302.

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 2925307384609 + 17398025156836 = 1710353^2 + 4171094^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323332541445 - 2² = 20323332541441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323332541441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032333254140 + ... + 2032333254149.

It is an arithmetic number, because the mean of its divisors is an integer number (6096999762435).

Almost surely, 2^{20323332541445} is an apocalyptic number.

It is an amenable number.

20323332541445 is a deficient number, since it is larger than the sum of its proper divisors (4064666508295).

20323332541445 is an equidigital number, since it uses as much as digits as its factorization.

20323332541445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064666508294.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 20323332541445 its reverse (54414523332302), we get a palindrome (74737855873747).

The spelling of 20323332541445 in words is "twenty trillion, three hundred twenty-three billion, three hundred thirty-two million, five hundred forty-one thousand, four hundred forty-five".