20303330442 has 32 divisors (see below), whose sum is σ = 40990095360. Its totient is φ = 6704122800.

The previous prime is 20303330429. The next prime is 20303330449. The reversal of 20303330442 is 24403330302.

It is not an unprimeable number, because it can be changed into a prime (20303330449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294043 + ... + 356465.

It is an arithmetic number, because the mean of its divisors is an integer number (1280940480).

Almost surely, 2^20303330442 is an apocalyptic number.

20303330442 is an abundant number, since it is smaller than the sum of its proper divisors (20686764918).

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

20303330442 is a wasteful number, since it uses less digits than its factorization.

20303330442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62938.

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

Adding to 20303330442 its reverse (24403330302), we get a palindrome (44706660744).

The spelling of 20303330442 in words is "twenty billion, three hundred three million, three hundred thirty thousand, four hundred forty-two".