20032330442 has 8 divisors (see below), whose sum is σ = 30052606500. Its totient is φ = 10014794944.

The previous prime is 20032330441. The next prime is 20032330453. The reversal of 20032330442 is 24403323002.

It can be written as a sum of positive squares in 2 ways, for example, as 19889742961 + 142587481 = 141031^2 + 11941^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20032330441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666767 + ... + 696162.

Almost surely, 2^20032330442 is an apocalyptic number.

20032330442 is a deficient number, since it is larger than the sum of its proper divisors (10020276058).

20032330442 is a wasteful number, since it uses less digits than its factorization.

20032330442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370280.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20032330442 its reverse (24403323002), we get a palindrome (44435653444).

The spelling of 20032330442 in words is "twenty billion, thirty-two million, three hundred thirty thousand, four hundred forty-two".