20043215552 has 28 divisors (see below), whose sum is σ = 39826880976. Its totient is φ = 10008096000.

The previous prime is 20043215461. The next prime is 20043215627. The reversal of 20043215552 is 25551234002.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163199 + ... + 258302.

Almost surely, 2^20043215552 is an apocalyptic number.

It is an amenable number.

20043215552 is a deficient number, since it is larger than the sum of its proper divisors (19783665424).

20043215552 is an equidigital number, since it uses as much as digits as its factorization.

20043215552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422256 (or 422246 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 20043215552 its reverse (25551234002), we get a palindrome (45594449554).

The spelling of 20043215552 in words is "twenty billion, forty-three million, two hundred fifteen thousand, five hundred fifty-two".