20430434022 has 8 divisors (see below), whose sum is σ = 40860868056. Its totient is φ = 6810144672.

The previous prime is 20430433963. The next prime is 20430434023. The reversal of 20430434022 is 22043403402.

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

20430434022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20430433983 and 20430434001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430434023) 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, 1702536163 + ... + 1702536174.

It is an arithmetic number, because the mean of its divisors is an integer number (5107608507).

Almost surely, 2^20430434022 is an apocalyptic number.

20430434022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20430434022 is a wasteful number, since it uses less digits than its factorization.

20430434022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405072342.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20430434022 its reverse (22043403402), we get a palindrome (42473837424).

The spelling of 20430434022 in words is "twenty billion, four hundred thirty million, four hundred thirty-four thousand, twenty-two".