20022320303213 has 4 divisors (see below), whose sum is σ = 20228735976540. Its totient is φ = 19815904629888.

The previous prime is 20022320303191. The next prime is 20022320303243. The reversal of 20022320303213 is 31230302322002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10604805276004 + 9417515027209 = 3256502^2 + 3068797^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022320303213 - 2¹⁶ = 20022320237677 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 (20022320303243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103207836518 + ... + 103207836711.

It is an arithmetic number, because the mean of its divisors is an integer number (5057183994135).

Almost surely, 2^{20022320303213} is an apocalyptic number.

It is an amenable number.

20022320303213 is a deficient number, since it is larger than the sum of its proper divisors (206415673327).

20022320303213 is an equidigital number, since it uses as much as digits as its factorization.

20022320303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206415673326.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20022320303213 its reverse (31230302322002), we get a palindrome (51252622625215).

The spelling of 20022320303213 in words is "twenty trillion, twenty-two billion, three hundred twenty million, three hundred three thousand, two hundred thirteen".