20032444321 has 8 divisors (see below), whose sum is σ = 20089692000. Its totient is φ = 19975266048.

The previous prime is 20032444319. The next prime is 20032444351. The reversal of 20032444321 is 12344423002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20032444321 - 2¹ = 20032444319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032444301) 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, 590790 + ... + 623776.

It is an arithmetic number, because the mean of its divisors is an integer number (2511211500).

Almost surely, 2^20032444321 is an apocalyptic number.

It is an amenable number.

20032444321 is a deficient number, since it is larger than the sum of its proper divisors (57247679).

20032444321 is a wasteful number, since it uses less digits than its factorization.

20032444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34703.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20032444321 its reverse (12344423002), we get a palindrome (32376867323).

The spelling of 20032444321 in words is "twenty billion, thirty-two million, four hundred forty-four thousand, three hundred twenty-one".