20430022 has 8 divisors (see below), whose sum is σ = 32447736. Its totient is φ = 9614112.

The previous prime is 20429993. The next prime is 20430029. The reversal of 20430022 is 22003402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20429984 and 20430011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300408 + ... + 300475.

It is an arithmetic number, because the mean of its divisors is an integer number (4055967).

Almost surely, 2^20430022 is an apocalyptic number.

20430022 is a deficient number, since it is larger than the sum of its proper divisors (12017714).

20430022 is a wasteful number, since it uses less digits than its factorization.

20430022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600902.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20430022 is about 4519.9581856473. The cubic root of 20430022 is about 273.3734150356.

Adding to 20430022 its reverse (22003402), we get a palindrome (42433424).

The spelling of 20430022 in words is "twenty million, four hundred thirty thousand, twenty-two".