20343303320 has 32 divisors (see below), whose sum is σ = 46323915120. Its totient is φ = 8039280000.

The previous prime is 20343303319. The next prime is 20343303349. The reversal of 20343303320 is 2330334302.

It is a congruent number.

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, 3060431 + ... + 3067070.

Almost surely, 2^20343303320 is an apocalyptic number.

20343303320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20343303320 is an abundant number, since it is smaller than the sum of its proper divisors (25980611800).

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

20343303320 is a wasteful number, since it uses less digits than its factorization.

20343303320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127595 (or 6127591 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 20343303320 its reverse (2330334302), we get a palindrome (22673637622).

The spelling of 20343303320 in words is "twenty billion, three hundred forty-three million, three hundred three thousand, three hundred twenty".