100133206220 has 96 divisors (see below), whose sum is σ = 219861734400. Its totient is φ = 38259603200.

The previous prime is 100133206211. The next prime is 100133206291. The reversal of 100133206220 is 22602331001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 100133206192 and 100133206201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27274985 + ... + 27278655.

It is an arithmetic number, because the mean of its divisors is an integer number (2290226400).

Almost surely, 2^100133206220 is an apocalyptic number.

100133206220 is a gapful number since it is divisible by the number (10) 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 100133206220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109930867200).

100133206220 is an abundant number, since it is smaller than the sum of its proper divisors (119728528180).

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

100133206220 is a wasteful number, since it uses less digits than its factorization.

100133206220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100133206220 its reverse (22602331001), we get a palindrome (122735537221).

The spelling of 100133206220 in words is "one hundred billion, one hundred thirty-three million, two hundred six thousand, two hundred twenty".