20020030222321 has 8 divisors (see below), whose sum is σ = 20075026700520. Its totient is φ = 19965040822272.

The previous prime is 20020030222301. The next prime is 20020030222351. The reversal of 20020030222321 is 12322203002002.

It can be written as a sum of positive squares in 4 ways, for example, as 5106809030625 + 14913221191696 = 2259825^2 + 3861764^2 .

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 20020030222321 - 2¹⁹ = 20020029698033 is a prime.

It is a super-2 number, since 2×20020030222321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020030222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3920175 + ... + 7443643.

It is an arithmetic number, because the mean of its divisors is an integer number (2509378337565).

Almost surely, 2^{20020030222321} is an apocalyptic number.

It is an amenable number.

20020030222321 is a deficient number, since it is larger than the sum of its proper divisors (54996478199).

20020030222321 is a wasteful number, since it uses less digits than its factorization.

20020030222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539075.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20020030222321 its reverse (12322203002002), we get a palindrome (32342233224323).

The spelling of 20020030222321 in words is "twenty trillion, twenty billion, thirty million, two hundred twenty-two thousand, three hundred twenty-one".