21422020130 has 16 divisors (see below), whose sum is σ = 44068155840. Its totient is φ = 7344692592.

The previous prime is 21422020099. The next prime is 21422020141. The reversal of 21422020130 is 3102022412.

It is a junction number, because it is equal to n+sod(n) for n = 21422020099 and 21422020108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153014360 + ... + 153014499.

It is an arithmetic number, because the mean of its divisors is an integer number (2754259740).

Almost surely, 2^21422020130 is an apocalyptic number.

21422020130 is an abundant number, since it is smaller than the sum of its proper divisors (22646135710).

21422020130 is a wasteful number, since it uses less digits than its factorization.

21422020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306028873.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21422020130 its reverse (3102022412), we get a palindrome (24524042542).

The spelling of 21422020130 in words is "twenty-one billion, four hundred twenty-two million, twenty thousand, one hundred thirty".