20322320030 has 32 divisors (see below), whose sum is σ = 38969623584. Its totient is φ = 7603808256.

The previous prime is 20322320021. The next prime is 20322320069. The reversal of 20322320030 is 3002322302.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 20322319990 and 20322320008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338987 + ... + 394406.

It is an arithmetic number, because the mean of its divisors is an integer number (1217800737).

Almost surely, 2^20322320030 is an apocalyptic number.

20322320030 is a deficient number, since it is larger than the sum of its proper divisors (18647303554).

20322320030 is a wasteful number, since it uses less digits than its factorization.

20322320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733580.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20322320030 its reverse (3002322302), we get a palindrome (23324642332).

The spelling of 20322320030 in words is "twenty billion, three hundred twenty-two million, three hundred twenty thousand, thirty".