20244311300 has 144 divisors (see below), whose sum is σ = 47625285120. Its totient is φ = 7451136000.

The previous prime is 20244311293. The next prime is 20244311303. The reversal of 20244311300 is 311344202.

It is a super-2 number, since 2×20244311300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20244311303) by changing a digit.

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, 6021620 + ... + 6024980.

Almost surely, 2^20244311300 is an apocalyptic number.

20244311300 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 20244311300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23812642560).

20244311300 is an abundant number, since it is smaller than the sum of its proper divisors (27380973820).

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

20244311300 is a wasteful number, since it uses less digits than its factorization.

20244311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20244311300 its reverse (311344202), we get a palindrome (20555655502).

The spelling of 20244311300 in words is "twenty billion, two hundred forty-four million, three hundred eleven thousand, three hundred".