20322221003 has 8 divisors (see below), whose sum is σ = 23228375808. Its totient is φ = 17416811304.

The previous prime is 20322220979. The next prime is 20322221083. The reversal of 20322221003 is 30012222302.

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 20322221003 - 2⁶ = 20322220939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322221083) 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, 126551 + ... + 238032.

It is an arithmetic number, because the mean of its divisors is an integer number (2903546976).

Almost surely, 2^20322221003 is an apocalyptic number.

20322221003 is a deficient number, since it is larger than the sum of its proper divisors (2906154805).

20322221003 is an equidigital number, since it uses as much as digits as its factorization.

20322221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372553.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20322221003 its reverse (30012222302), we get a palindrome (50334443305).

The spelling of 20322221003 in words is "twenty billion, three hundred twenty-two million, two hundred twenty-one thousand, three".