20012304023345 has 8 divisors (see below), whose sum is σ = 24018488663400. Its totient is φ = 16007360661760.

The previous prime is 20012304023333. The next prime is 20012304023399. The reversal of 20012304023345 is 54332040321002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7196562734881 + 12815741288464 = 2682641^2 + 3579908^2 .

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

It is not a de Polignac number, because 20012304023345 - 2⁴⁰ = 18912792395569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310284146 + ... + 310348635.

It is an arithmetic number, because the mean of its divisors is an integer number (3002311082925).

Almost surely, 2^{20012304023345} is an apocalyptic number.

It is an amenable number.

20012304023345 is a deficient number, since it is larger than the sum of its proper divisors (4006184640055).

20012304023345 is an equidigital number, since it uses as much as digits as its factorization.

20012304023345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620639235.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20012304023345 its reverse (54332040321002), we get a palindrome (74344344344347).

The spelling of 20012304023345 in words is "twenty trillion, twelve billion, three hundred four million, twenty-three thousand, three hundred forty-five".