20022231230321 has 4 divisors (see below), whose sum is σ = 20064031296000. Its totient is φ = 19980431164644.

The previous prime is 20022231230317. The next prime is 20022231230377. The reversal of 20022231230321 is 12303213222002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20022231230321 - 2² = 20022231230317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022231230621) 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, 20900032121 + ... + 20900033078.

It is an arithmetic number, because the mean of its divisors is an integer number (5016007824000).

Almost surely, 2^{20022231230321} is an apocalyptic number.

It is an amenable number.

20022231230321 is a deficient number, since it is larger than the sum of its proper divisors (41800065679).

20022231230321 is an equidigital number, since it uses as much as digits as its factorization.

20022231230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41800065678.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20022231230321 its reverse (12303213222002), we get a palindrome (32325444452323).

The spelling of 20022231230321 in words is "twenty trillion, twenty-two billion, two hundred thirty-one million, two hundred thirty thousand, three hundred twenty-one".