220202223103213 has 4 divisors (see below), whose sum is σ = 237140855649628. Its totient is φ = 203263590556800.

The previous prime is 220202223103189. The next prime is 220202223103271. The reversal of 220202223103213 is 312301322202022.

220202223103213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 62010301614244 + 158191921488969 = 7874662^2 + 12577437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220202223103213 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 (220202223103283) 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, 8469316273188 + ... + 8469316273213.

It is an arithmetic number, because the mean of its divisors is an integer number (59285213912407).

Almost surely, 2^{220202223103213} is an apocalyptic number.

It is an amenable number.

220202223103213 is a deficient number, since it is larger than the sum of its proper divisors (16938632546415).

220202223103213 is a wasteful number, since it uses less digits than its factorization.

220202223103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16938632546414.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 220202223103213 its reverse (312301322202022), we get a palindrome (532503545305235).

The spelling of 220202223103213 in words is "two hundred twenty trillion, two hundred two billion, two hundred twenty-three million, one hundred three thousand, two hundred thirteen".