20324303340 has 48 divisors (see below), whose sum is σ = 62081510400. Its totient is φ = 4927103680.

The previous prime is 20324303333. The next prime is 20324303353. The reversal of 20324303340 is 4330342302.

It is a self number, because there is not a number n which added to its sum of digits gives 20324303340.

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, 15396540 + ... + 15397859.

It is an arithmetic number, because the mean of its divisors is an integer number (1293364800).

Almost surely, 2^20324303340 is an apocalyptic number.

20324303340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20324303340 is an abundant number, since it is smaller than the sum of its proper divisors (41757207060).

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

20324303340 is a wasteful number, since it uses less digits than its factorization.

20324303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30794422 (or 30794420 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20324303340 its reverse (4330342302), we get a palindrome (24654645642).

The spelling of 20324303340 in words is "twenty billion, three hundred twenty-four million, three hundred three thousand, three hundred forty".