20323303224113 has 8 divisors (see below), whose sum is σ = 20509890172200. Its totient is φ = 20136718723968.

The previous prime is 20323303224097. The next prime is 20323303224121. The reversal of 20323303224113 is 31142230332302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2343863017024 + 17979440207089 = 1530968^2 + 4240217^2 .

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

It is not a de Polignac number, because 20323303224113 - 2⁴ = 20323303224097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323303220113) 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, 18915533 + ... + 19961061.

It is an arithmetic number, because the mean of its divisors is an integer number (2563736271525).

Almost surely, 2^{20323303224113} is an apocalyptic number.

It is an amenable number.

20323303224113 is a deficient number, since it is larger than the sum of its proper divisors (186586948087).

20323303224113 is a wasteful number, since it uses less digits than its factorization.

20323303224113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223971.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 20323303224113 its reverse (31142230332302), we get a palindrome (51465533556415).

The spelling of 20323303224113 in words is "twenty trillion, three hundred twenty-three billion, three hundred three million, two hundred twenty-four thousand, one hundred thirteen".