20223113 has 4 divisors (see below), whose sum is σ = 20653440. Its totient is φ = 19792788.

The previous prime is 20223109. The next prime is 20223139. The reversal of 20223113 is 31132202.

It is a happy number.

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 20223113 - 2² = 20223109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223103) 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, 215093 + ... + 215186.

It is an arithmetic number, because the mean of its divisors is an integer number (5163360).

Almost surely, 2^20223113 is an apocalyptic number.

It is an amenable number.

20223113 is a deficient number, since it is larger than the sum of its proper divisors (430327).

20223113 is an equidigital number, since it uses as much as digits as its factorization.

20223113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430326.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20223113 is about 4497.0115632495. The cubic root of 20223113 is about 272.4474011207.

Adding to 20223113 its reverse (31132202), we get a palindrome (51355315).

The spelling of 20223113 in words is "twenty million, two hundred twenty-three thousand, one hundred thirteen".