20223207 has 12 divisors (see below), whose sum is σ = 29833440. Its totient is φ = 13195008.

The previous prime is 20223193. The next prime is 20223221. The reversal of 20223207 is 70232202.

It is an interprime number because it is at equal distance from previous prime (20223193) and next prime (20223221).

It is not a de Polignac number, because 20223207 - 2¹⁵ = 20190439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223257) 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 11 ways as a sum of consecutive naturals, for example, 23482 + ... + 24327.

It is an arithmetic number, because the mean of its divisors is an integer number (2486120).

Almost surely, 2^20223207 is an apocalyptic number.

20223207 is a deficient number, since it is larger than the sum of its proper divisors (9610233).

20223207 is a wasteful number, since it uses less digits than its factorization.

20223207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47862 (or 47859 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 20223207 is about 4497.0220146226. The cubic root of 20223207 is about 272.4478232453.

Adding to 20223207 its reverse (70232202), we get a palindrome (90455409).

It can be divided in two parts, 202 and 23207, that added together give a square (23409 = 153²).

The spelling of 20223207 in words is "twenty million, two hundred twenty-three thousand, two hundred seven".