20223201 has 32 divisors (see below), whose sum is σ = 29962240. Its totient is φ = 12083904.

The previous prime is 20223193. The next prime is 20223221. The reversal of 20223201 is 10232202.

It is not a de Polignac number, because 20223201 - 2³ = 20223193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20223221) 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 31 ways as a sum of consecutive naturals, for example, 90576 + ... + 90798.

It is an arithmetic number, because the mean of its divisors is an integer number (936320).

Almost surely, 2^20223201 is an apocalyptic number.

It is an amenable number.

20223201 is a deficient number, since it is larger than the sum of its proper divisors (9739039).

20223201 is a wasteful number, since it uses less digits than its factorization.

20223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20223201 is about 4497.0213475144. The cubic root of 20223201 is about 272.4477963012.

Adding to 20223201 its reverse (10232202), we get a palindrome (30455403).

Subtracting from 20223201 its reverse (10232202), we obtain a palindrome (9990999).

The spelling of 20223201 in words is "twenty million, two hundred twenty-three thousand, two hundred one".