20313230330 has 16 divisors (see below), whose sum is σ = 37341768960. Its totient is φ = 7952413392.

The previous prime is 20313230309. The next prime is 20313230369. The reversal of 20313230330 is 3303231302.

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, 21609350 + ... + 21610289.

It is an arithmetic number, because the mean of its divisors is an integer number (2333860560).

Almost surely, 2^20313230330 is an apocalyptic number.

20313230330 is a deficient number, since it is larger than the sum of its proper divisors (17028538630).

20313230330 is a wasteful number, since it uses less digits than its factorization.

20313230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43219693.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20313230330 its product of nonzero digits (972), we get a palindrome (20313231302).

Adding to 20313230330 its reverse (3303231302), we get a palindrome (23616461632).

The spelling of 20313230330 in words is "twenty billion, three hundred thirteen million, two hundred thirty thousand, three hundred thirty".