20313303245 has 8 divisors (see below), whose sum is σ = 24473080800. Its totient is φ = 16185898000.

The previous prime is 20313303233. The next prime is 20313303251. The reversal of 20313303245 is 54230331302.

It is a happy number.

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

It is not a de Polignac number, because 20313303245 - 2²⁸ = 20044867789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 8091695 + ... + 8094204.

It is an arithmetic number, because the mean of its divisors is an integer number (3059135100).

Almost surely, 2^20313303245 is an apocalyptic number.

It is an amenable number.

20313303245 is a deficient number, since it is larger than the sum of its proper divisors (4159777555).

20313303245 is a wasteful number, since it uses less digits than its factorization.

20313303245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16186155.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 20313303245 its reverse (54230331302), we get a palindrome (74543634547).

The spelling of 20313303245 in words is "twenty billion, three hundred thirteen million, three hundred three thousand, two hundred forty-five".