20324421222 has 16 divisors (see below), whose sum is σ = 46455820032. Its totient is φ = 5806977480.

The previous prime is 20324421211. The next prime is 20324421233. The reversal of 20324421222 is 22212442302.

It is an interprime number because it is at equal distance from previous prime (20324421211) and next prime (20324421233).

It is a junction number, because it is equal to n+sod(n) for n = 20324421192 and 20324421201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241957354 + ... + 241957437.

It is an arithmetic number, because the mean of its divisors is an integer number (2903488752).

Almost surely, 2^20324421222 is an apocalyptic number.

20324421222 is an abundant number, since it is smaller than the sum of its proper divisors (26131398810).

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

20324421222 is a wasteful number, since it uses less digits than its factorization.

20324421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483914803.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20324421222 its reverse (22212442302), we get a palindrome (42536863524).

The spelling of 20324421222 in words is "twenty billion, three hundred twenty-four million, four hundred twenty-one thousand, two hundred twenty-two".