20031321022 has 8 divisors (see below), whose sum is σ = 30470178672. Its totient is φ = 9874594800.

The previous prime is 20031321001. The next prime is 20031321031. The reversal of 20031321022 is 22012313002.

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 = 20031320987 and 20031321005.

It is a congruent number.

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, 70532679 + ... + 70532962.

It is an arithmetic number, because the mean of its divisors is an integer number (3808772334).

Almost surely, 2^20031321022 is an apocalyptic number.

20031321022 is a deficient number, since it is larger than the sum of its proper divisors (10438857650).

20031321022 is a wasteful number, since it uses less digits than its factorization.

20031321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141065714.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20031321022 its reverse (22012313002), we get a palindrome (42043634024).

The spelling of 20031321022 in words is "twenty billion, thirty-one million, three hundred twenty-one thousand, twenty-two".