20823330043 has 8 divisors (see below), whose sum is σ = 20895263136. Its totient is φ = 20751432000.

The previous prime is 20823330037. The next prime is 20823330053. The reversal of 20823330043 is 34003332802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20823330043 is a prime.

It is a super-3 number, since 3×20823330043³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20823329993 and 20823330020.

It is not an unprimeable number, because it can be changed into a prime (20823330053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828818 + ... + 1840168.

It is an arithmetic number, because the mean of its divisors is an integer number (2611907892).

Almost surely, 2^20823330043 is an apocalyptic number.

20823330043 is a deficient number, since it is larger than the sum of its proper divisors (71933093).

20823330043 is a wasteful number, since it uses less digits than its factorization.

20823330043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17525.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20823330043 its reverse (34003332802), we get a palindrome (54826662845).

The spelling of 20823330043 in words is "twenty billion, eight hundred twenty-three million, three hundred thirty thousand, forty-three".