20313332330 has 32 divisors (see below), whose sum is σ = 37481548608. Its totient is φ = 7921705600.

The previous prime is 20313332327. The next prime is 20313332401. The reversal of 20313332330 is 3323331302.

It is a junction number, because it is equal to n+sod(n) for n = 20313332296 and 20313332305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608165 + ... + 640695.

It is an arithmetic number, because the mean of its divisors is an integer number (1171298394).

Almost surely, 2^20313332330 is an apocalyptic number.

20313332330 is a deficient number, since it is larger than the sum of its proper divisors (17168216278).

20313332330 is a wasteful number, since it uses less digits than its factorization.

20313332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34102.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20313332330 its reverse (3323331302), we get a palindrome (23636663632).

The spelling of 20313332330 in words is "twenty billion, three hundred thirteen million, three hundred thirty-two thousand, three hundred thirty".