20321422300 has 144 divisors (see below), whose sum is σ = 47871936000. Its totient is φ = 7464441600.

The previous prime is 20321422259. The next prime is 20321422357. The reversal of 20321422300 is 322412302.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 13272535 + ... + 13274065.

It is an arithmetic number, because the mean of its divisors is an integer number (332444000).

Almost surely, 2^20321422300 is an apocalyptic number.

20321422300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20321422300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23935968000).

20321422300 is an abundant number, since it is smaller than the sum of its proper divisors (27550513700).

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

20321422300 is a wasteful number, since it uses less digits than its factorization.

20321422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20321422300 its reverse (322412302), we get a palindrome (20643834602).

The spelling of 20321422300 in words is "twenty billion, three hundred twenty-one million, four hundred twenty-two thousand, three hundred".