20220200100 has 252 divisors, whose sum is σ = 66638373760. Its totient is φ = 5322283200.

The previous prime is 20220200053. The next prime is 20220200123. The reversal of 20220200100 is 100202202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 83 ways as a sum of consecutive naturals, for example, 5757345 + ... + 5760855.

Almost surely, 2^20220200100 is an apocalyptic number.

20220200100 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 20220200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33319186880).

20220200100 is an abundant number, since it is smaller than the sum of its proper divisors (46418173660).

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

20220200100 is a wasteful number, since it uses less digits than its factorization.

20220200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20220200100 its reverse (100202202), we get a palindrome (20320402302).

The spelling of 20220200100 in words is "twenty billion, two hundred twenty million, two hundred thousand, one hundred".