20223104 has 64 divisors (see below), whose sum is σ = 44945280. Its totient is φ = 8985600.

The previous prime is 20223103. The next prime is 20223109. The reversal of 20223104 is 40132202.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74489 + ... + 74759.

It is an arithmetic number, because the mean of its divisors is an integer number (702270).

Almost surely, 2^20223104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20223104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22472640).

20223104 is an abundant number, since it is smaller than the sum of its proper divisors (24722176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20223104 is a wasteful number, since it uses less digits than its factorization.

20223104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20223104 is about 4497.0105625849. The cubic root of 20223104 is about 272.4473607045.

Adding to 20223104 its reverse (40132202), we get a palindrome (60355306).

The spelling of 20223104 in words is "twenty million, two hundred twenty-three thousand, one hundred four".