22020020222213 has 8 divisors (see below), whose sum is σ = 25108801339608. Its totient is φ = 19130515305984.

The previous prime is 22020020222159. The next prime is 22020020222267. The reversal of 22020020222213 is 31222202002022.

It is an interprime number because it is at equal distance from previous prime (22020020222159) and next prime (22020020222267).

It can be written as a sum of positive squares in 4 ways, for example, as 485018923489 + 21535001298724 = 696433^2 + 4640582^2 .

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 22020020222213 - 2²² = 22020016027909 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 (22020020222293) 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, 49819050056 + ... + 49819050497.

It is an arithmetic number, because the mean of its divisors is an integer number (3138600167451).

Almost surely, 2^{22020020222213} is an apocalyptic number.

It is an amenable number.

22020020222213 is a deficient number, since it is larger than the sum of its proper divisors (3088781117395).

22020020222213 is a wasteful number, since it uses less digits than its factorization.

22020020222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99638100583.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22020020222213 its reverse (31222202002022), we get a palindrome (53242222224235).

The spelling of 22020020222213 in words is "twenty-two trillion, twenty billion, twenty million, two hundred twenty-two thousand, two hundred thirteen".