101033220 has 24 divisors (see below), whose sum is σ = 282893184. Its totient is φ = 26942176.

The previous prime is 101033171. The next prime is 101033237. The reversal of 101033220 is 22330101.

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 = 101033196 and 101033205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841884 + ... + 842003.

It is an arithmetic number, because the mean of its divisors is an integer number (11787216).

Almost surely, 2^101033220 is an apocalyptic number.

101033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101033220 is an abundant number, since it is smaller than the sum of its proper divisors (181859964).

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

101033220 is a wasteful number, since it uses less digits than its factorization.

101033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683899 (or 1683897 counting only the distinct ones).

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

The square root of 101033220 is about 10051.5282420137. The cubic root of 101033220 is about 465.7520032218.

Adding to 101033220 its reverse (22330101), we get a palindrome (123363321).

The spelling of 101033220 in words is "one hundred one million, thirty-three thousand, two hundred twenty".