20002303443 has 8 divisors (see below), whose sum is σ = 26675105728. Its totient is φ = 13332185064.

The previous prime is 20002303417. The next prime is 20002303459. The reversal of 20002303443 is 34430320002.

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

It is not a de Polignac number, because 20002303443 - 2⁶ = 20002303379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002303483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653521 + ... + 683442.

It is an arithmetic number, because the mean of its divisors is an integer number (3334388216).

Almost surely, 2^20002303443 is an apocalyptic number.

20002303443 is a deficient number, since it is larger than the sum of its proper divisors (6672802285).

20002303443 is a wasteful number, since it uses less digits than its factorization.

20002303443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341953.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20002303443 its reverse (34430320002), we get a palindrome (54432623445).

The spelling of 20002303443 in words is "twenty billion, two million, three hundred three thousand, four hundred forty-three".