20313320230 has 32 divisors (see below), whose sum is σ = 44245486656. Its totient is φ = 6554886144.

The previous prime is 20313320219. The next prime is 20313320231. The reversal of 20313320230 is 3202331302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20313320198 and 20313320207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313320231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8533819 + ... + 8536198.

It is an arithmetic number, because the mean of its divisors is an integer number (1382671458).

Almost surely, 2^20313320230 is an apocalyptic number.

20313320230 is an abundant number, since it is smaller than the sum of its proper divisors (23932166426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20313320230 is a wasteful number, since it uses less digits than its factorization.

20313320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070048.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20313320230 its reverse (3202331302), we get a palindrome (23515651532).

The spelling of 20313320230 in words is "twenty billion, three hundred thirteen million, three hundred twenty thousand, two hundred thirty".