20323130000 has 50 divisors (see below), whose sum is σ = 49204354254. Its totient is φ = 8129248000.

The previous prime is 20323129997. The next prime is 20323130041. The reversal of 20323130000 is 3132302.

It can be written as a sum of positive squares in 5 ways, for example, as 11341398016 + 8981731984 = 106496^2 + 94772^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×20323130000² (a number of 21 digits) contains 22 as substring.

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 9 ways as a sum of consecutive naturals, for example, 1006157 + ... + 1026156.

Almost surely, 2^20323130000 is an apocalyptic number.

20323130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323130000 is an abundant number, since it is smaller than the sum of its proper divisors (28881224254).

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

20323130000 is an equidigital number, since it uses as much as digits as its factorization.

20323130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032341 (or 2032320 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20323130000 its reverse (3132302), we get a palindrome (20326262302).

The spelling of 20323130000 in words is "twenty billion, three hundred twenty-three million, one hundred thirty thousand".