202220113 has 4 divisors (see below), whose sum is σ = 202326768. Its totient is φ = 202113460.

The previous prime is 202220107. The next prime is 202220129. The reversal of 202220113 is 311022202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202220113 - 2¹³ = 202211921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202220093 and 202220102.

It is not an unprimeable number, because it can be changed into a prime (202220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50431 + ... + 54292.

It is an arithmetic number, because the mean of its divisors is an integer number (50581692).

Almost surely, 2^202220113 is an apocalyptic number.

It is an amenable number.

202220113 is a deficient number, since it is larger than the sum of its proper divisors (106655).

202220113 is a wasteful number, since it uses less digits than its factorization.

202220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106654.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 202220113 is about 14220.4118435438. The cubic root of 202220113 is about 586.9594731464.

Adding to 202220113 its reverse (311022202), we get a palindrome (513242315).

The spelling of 202220113 in words is "two hundred two million, two hundred twenty thousand, one hundred thirteen".