20322233100 has 216 divisors, whose sum is σ = 70745940720. Its totient is φ = 5002283520.

The previous prime is 20322233083. The next prime is 20322233101. The reversal of 20322233100 is 133222302.

It is a happy number.

It is a super-2 number, since 2×20322233100² (a number of 21 digits) contains 22 as substring.

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 (20322233101) 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 71 ways as a sum of consecutive naturals, for example, 434032 + ... + 478568.

Almost surely, 2^20322233100 is an apocalyptic number.

20322233100 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 20322233100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35372970360).

20322233100 is an abundant number, since it is smaller than the sum of its proper divisors (50423707620).

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

20322233100 is a wasteful number, since it uses less digits than its factorization.

20322233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44586 (or 44560 counting only the distinct ones).

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

Adding to 20322233100 its reverse (133222302), we get a palindrome (20455455402).

The spelling of 20322233100 in words is "twenty billion, three hundred twenty-two million, two hundred thirty-three thousand, one hundred".