20021224300 has 144 divisors (see below), whose sum is σ = 54296524800. Its totient is φ = 6225408000.

The previous prime is 20021224291. The next prime is 20021224351. The reversal of 20021224300 is 342212002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3454405 + ... + 3460195.

It is an arithmetic number, because the mean of its divisors is an integer number (377059200).

Almost surely, 2^20021224300 is an apocalyptic number.

20021224300 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 20021224300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27148262400).

20021224300 is an abundant number, since it is smaller than the sum of its proper divisors (34275300500).

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

20021224300 is a wasteful number, since it uses less digits than its factorization.

20021224300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20021224300 its reverse (342212002), we get a palindrome (20363436302).

The spelling of 20021224300 in words is "twenty billion, twenty-one million, two hundred twenty-four thousand, three hundred".