20221323300 has 144 divisors (see below), whose sum is σ = 65483517120. Its totient is φ = 5352894720.

The previous prime is 20221323277. The next prime is 20221323301. The reversal of 20221323300 is 332312202.

It is a happy number.

20221323300 is a `hidden beast` number, since 20 + 2 + 21 + 323 + 300 = 666.

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 (20221323301) 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, 342567 + ... + 397233.

Almost surely, 2^20221323300 is an apocalyptic number.

20221323300 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 20221323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32741758560).

20221323300 is an abundant number, since it is smaller than the sum of its proper divisors (45262193820).

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

20221323300 is a wasteful number, since it uses less digits than its factorization.

20221323300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54827 (or 54814 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20221323300 its reverse (332312202), we get a palindrome (20553635502).

The spelling of 20221323300 in words is "twenty billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred".