20324021130 has 96 divisors (see below), whose sum is σ = 60491044224. Its totient is φ = 4637824128.

The previous prime is 20324021119. The next prime is 20324021131. The reversal of 20324021130 is 3112042302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20324021131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359877 + ... + 412503.

It is an arithmetic number, because the mean of its divisors is an integer number (630115044).

Almost surely, 2^20324021130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20324021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30245522112).

20324021130 is an abundant number, since it is smaller than the sum of its proper divisors (40167023094).

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

20324021130 is a wasteful number, since it uses less digits than its factorization.

20324021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53260 (or 53257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20324021130 its reverse (3112042302), we get a palindrome (23436063432).

The spelling of 20324021130 in words is "twenty billion, three hundred twenty-four million, twenty-one thousand, one hundred thirty".