100650220 has 96 divisors (see below), whose sum is σ = 245952000. Its totient is φ = 34499520.

The previous prime is 100650191. The next prime is 100650223. The reversal of 100650220 is 22056001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100650194 and 100650203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100650223) by changing a digit.

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, 505681 + ... + 505879.

It is an arithmetic number, because the mean of its divisors is an integer number (2562000).

Almost surely, 2^100650220 is an apocalyptic number.

100650220 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 100650220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122976000).

100650220 is an abundant number, since it is smaller than the sum of its proper divisors (145301780).

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

100650220 is a wasteful number, since it uses less digits than its factorization.

100650220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100650220 is about 10032.4583228638. The cubic root of 100650220 is about 465.1627287242.

The spelling of 100650220 in words is "one hundred million, six hundred fifty thousand, two hundred twenty".