20223213 has 8 divisors (see below), whose sum is σ = 27367008. Its totient is φ = 13280784.

The previous prime is 20223193. The next prime is 20223221. The reversal of 20223213 is 31232202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20223213 - 2¹³ = 20215021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20223192 and 20223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50106 + ... + 50507.

It is an arithmetic number, because the mean of its divisors is an integer number (3420876).

Almost surely, 2^20223213 is an apocalyptic number.

It is an amenable number.

20223213 is a deficient number, since it is larger than the sum of its proper divisors (7143795).

20223213 is a wasteful number, since it uses less digits than its factorization.

20223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100683.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20223213 is about 4497.0226817307. The cubic root of 20223213 is about 272.4478501893.

Adding to 20223213 its reverse (31232202), we get a palindrome (51455415).

The spelling of 20223213 in words is "twenty million, two hundred twenty-three thousand, two hundred thirteen".