20030324213 has 8 divisors (see below), whose sum is σ = 20522217240. Its totient is φ = 19538590720.

The previous prime is 20030324129. The next prime is 20030324227. The reversal of 20030324213 is 31242303002.

It can be written as a sum of positive squares in 4 ways, for example, as 6205973284 + 13824350929 = 78778^2 + 117577^2 .

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 20030324213 - 2¹⁸ = 20030062069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030324243) 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, 237731 + ... + 310767.

It is an arithmetic number, because the mean of its divisors is an integer number (2565277155).

Almost surely, 2^20030324213 is an apocalyptic number.

It is an amenable number.

20030324213 is a deficient number, since it is larger than the sum of its proper divisors (491893027).

20030324213 is an equidigital number, since it uses as much as digits as its factorization.

20030324213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79767.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20030324213 its reverse (31242303002), we get a palindrome (51272627215).

The spelling of 20030324213 in words is "twenty billion, thirty million, three hundred twenty-four thousand, two hundred thirteen".