20430340022 has 8 divisors (see below), whose sum is σ = 30700530576. Its totient is φ = 10196829832.

The previous prime is 20430340003. The next prime is 20430340031. The reversal of 20430340022 is 22004303402.

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 = 20430339976 and 20430340003.

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, 9168698 + ... + 9170925.

It is an arithmetic number, because the mean of its divisors is an integer number (3837566322).

Almost surely, 2^20430340022 is an apocalyptic number.

20430340022 is a deficient number, since it is larger than the sum of its proper divisors (10270190554).

20430340022 is a wasteful number, since it uses less digits than its factorization.

20430340022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18340182.

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

Adding to 20430340022 its reverse (22004303402), we get a palindrome (42434643424).

The spelling of 20430340022 in words is "twenty billion, four hundred thirty million, three hundred forty thousand, twenty-two".