20543302304 has 48 divisors (see below), whose sum is σ = 46243612800. Its totient is φ = 8800237824.

The previous prime is 20543302289. The next prime is 20543302313. The reversal of 20543302304 is 40320334502.

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, 497357 + ... + 537075.

It is an arithmetic number, because the mean of its divisors is an integer number (963408600).

Almost surely, 2^20543302304 is an apocalyptic number.

It is an amenable number.

20543302304 is an abundant number, since it is smaller than the sum of its proper divisors (25700310496).

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

20543302304 is a wasteful number, since it uses less digits than its factorization.

20543302304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42045 (or 42037 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 20543302304 its reverse (40320334502), we get a palindrome (60863636806).

The spelling of 20543302304 in words is "twenty billion, five hundred forty-three million, three hundred two thousand, three hundred four".