20322442030 has 64 divisors (see below), whose sum is σ = 41679567360. Its totient is φ = 7068297600.

The previous prime is 20322442013. The next prime is 20322442037. The reversal of 20322442030 is 3024422302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20322441992 and 20322442010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322442037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197815 + ... + 282445.

It is an arithmetic number, because the mean of its divisors is an integer number (651243240).

Almost surely, 2^20322442030 is an apocalyptic number.

20322442030 is an abundant number, since it is smaller than the sum of its proper divisors (21357125330).

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

20322442030 is a wasteful number, since it uses less digits than its factorization.

20322442030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84745.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20322442030 its reverse (3024422302), we get a palindrome (23346864332).

The spelling of 20322442030 in words is "twenty billion, three hundred twenty-two million, four hundred forty-two thousand, thirty".