20430030422 has 8 divisors (see below), whose sum is σ = 30776570136. Its totient is φ = 10171173712.

The previous prime is 20430030419. The next prime is 20430030427. The reversal of 20430030422 is 22403003402.

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

It is a super-2 number, since 2×20430030422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20430030394 and 20430030403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430030427) 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, 21920168 + ... + 21921099.

It is an arithmetic number, because the mean of its divisors is an integer number (3847071267).

Almost surely, 2^20430030422 is an apocalyptic number.

20430030422 is a deficient number, since it is larger than the sum of its proper divisors (10346539714).

20430030422 is a wasteful number, since it uses less digits than its factorization.

20430030422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43841502.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20430030422 its reverse (22403003402), we get a palindrome (42833033824).

The spelling of 20430030422 in words is "twenty billion, four hundred thirty million, thirty thousand, four hundred twenty-two".