20031232322 has 8 divisors (see below), whose sum is σ = 30779698572. Its totient is φ = 9771332800.

The previous prime is 20031232307. The next prime is 20031232369. The reversal of 20031232322 is 22323213002.

It can be written as a sum of positive squares in 2 ways, for example, as 13259752801 + 6771479521 = 115151^2 + 82289^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20031232294 and 20031232303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122141579 + ... + 122141742.

Almost surely, 2^20031232322 is an apocalyptic number.

20031232322 is a deficient number, since it is larger than the sum of its proper divisors (10748466250).

20031232322 is a wasteful number, since it uses less digits than its factorization.

20031232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244283364.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20031232322 its reverse (22323213002), we get a palindrome (42354445324).

The spelling of 20031232322 in words is "twenty billion, thirty-one million, two hundred thirty-two thousand, three hundred twenty-two".