101330220 has 24 divisors (see below), whose sum is σ = 283724784. Its totient is φ = 27021376.

The previous prime is 101330209. The next prime is 101330233. The reversal of 101330220 is 22033101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101330196 and 101330205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844359 + ... + 844478.

It is an arithmetic number, because the mean of its divisors is an integer number (11821866).

Almost surely, 2^101330220 is an apocalyptic number.

101330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101330220 is an abundant number, since it is smaller than the sum of its proper divisors (182394564).

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

101330220 is a wasteful number, since it uses less digits than its factorization.

101330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688849 (or 1688847 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 101330220 is about 10066.2912733539. The cubic root of 101330220 is about 466.2079358391.

Adding to 101330220 its reverse (22033101), we get a palindrome (123363321).

The spelling of 101330220 in words is "one hundred one million, three hundred thirty thousand, two hundred twenty".