20322103213 has 8 divisors (see below), whose sum is σ = 20683477016. Its totient is φ = 19961640000.

The previous prime is 20322103199. The next prime is 20322103223. The reversal of 20322103213 is 31230122302.

It can be written as a sum of positive squares in 4 ways, for example, as 10048659049 + 10273444164 = 100243^2 + 101358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20322103213 - 2⁵ = 20322103181 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 (20322103223) 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, 182538 + ... + 271963.

It is an arithmetic number, because the mean of its divisors is an integer number (2585434627).

Almost surely, 2^20322103213 is an apocalyptic number.

It is an amenable number.

20322103213 is a deficient number, since it is larger than the sum of its proper divisors (361373803).

20322103213 is an equidigital number, since it uses as much as digits as its factorization.

20322103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455295.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20322103213 its reverse (31230122302), we get a palindrome (51552225515).

The spelling of 20322103213 in words is "twenty billion, three hundred twenty-two million, one hundred three thousand, two hundred thirteen".