20023232250500 has 96 divisors (see below), whose sum is σ = 45241436822400. Its totient is φ = 7732641840000.

The previous prime is 20023232250479. The next prime is 20023232250607. The reversal of 20023232250500 is 505223232002.

It is a self number, because there is not a number n which added to its sum of digits gives 20023232250500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327944975 + ... + 328006025.

It is an arithmetic number, because the mean of its divisors is an integer number (471264966900).

Almost surely, 2^{20023232250500} is an apocalyptic number.

20023232250500 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 20023232250500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22620718411200).

20023232250500 is an abundant number, since it is smaller than the sum of its proper divisors (25218204571900).

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

20023232250500 is a wasteful number, since it uses less digits than its factorization.

20023232250500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83718 (or 83706 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 20023232250500 its reverse (505223232002), we get a palindrome (20528455482502).

The spelling of 20023232250500 in words is "twenty trillion, twenty-three billion, two hundred thirty-two million, two hundred fifty thousand, five hundred".