20223412 has 12 divisors (see below), whose sum is σ = 38608416. Its totient is φ = 9192440.

The previous prime is 20223403. The next prime is 20223443. The reversal of 20223412 is 21432202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229768 + ... + 229855.

It is an arithmetic number, because the mean of its divisors is an integer number (3217368).

Almost surely, 2^20223412 is an apocalyptic number.

20223412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20223412 is a deficient number, since it is larger than the sum of its proper divisors (18385004).

20223412 is a wasteful number, since it uses less digits than its factorization.

20223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459638 (or 459636 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20223412 is about 4497.0448074263. The cubic root of 20223412 is about 272.4487438315.

Adding to 20223412 its reverse (21432202), we get a palindrome (41655614).

The spelling of 20223412 in words is "twenty million, two hundred twenty-three thousand, four hundred twelve".