20320041213 has 8 divisors (see below), whose sum is σ = 30103764800. Its totient is φ = 13546694124.

The previous prime is 20320041193. The next prime is 20320041221. The reversal of 20320041213 is 31214002302.

It is not a de Polignac number, because 20320041213 - 2¹³ = 20320033021 is a prime.

It is a super-2 number, since 2×20320041213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320041223) 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, 376297033 + ... + 376297086.

It is an arithmetic number, because the mean of its divisors is an integer number (3762970600).

Almost surely, 2^20320041213 is an apocalyptic number.

It is an amenable number.

20320041213 is a deficient number, since it is larger than the sum of its proper divisors (9783723587).

20320041213 is an equidigital number, since it uses as much as digits as its factorization.

20320041213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752594128 (or 752594122 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20320041213 its reverse (31214002302), we get a palindrome (51534043515).

The spelling of 20320041213 in words is "twenty billion, three hundred twenty million, forty-one thousand, two hundred thirteen".