22020130321 has 16 divisors (see below), whose sum is σ = 25716921984. Its totient is φ = 18463221504.

The previous prime is 22020130303. The next prime is 22020130339. The reversal of 22020130321 is 12303102022.

It is an interprime number because it is at equal distance from previous prime (22020130303) and next prime (22020130339).

It is not a de Polignac number, because 22020130321 - 2²⁹ = 21483259409 is a prime.

It is a super-2 number, since 2×22020130321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020130295 and 22020130304.

It is not an unprimeable number, because it can be changed into a prime (22020140321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36966 + ... + 213088.

It is an arithmetic number, because the mean of its divisors is an integer number (1607307624).

Almost surely, 2^22020130321 is an apocalyptic number.

It is an amenable number.

22020130321 is a deficient number, since it is larger than the sum of its proper divisors (3696791663).

22020130321 is a wasteful number, since it uses less digits than its factorization.

22020130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176520.

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

Adding to 22020130321 its reverse (12303102022), we get a palindrome (34323232343).

The spelling of 22020130321 in words is "twenty-two billion, twenty million, one hundred thirty thousand, three hundred twenty-one".