101716220 has 24 divisors (see below), whose sum is σ = 213813600. Its totient is φ = 40646592.

The previous prime is 101716217. The next prime is 101716243. The reversal of 101716220 is 22617101.

It is a super-2 number, since 2×101716220² = 20692378822176800, which contains 22 as substring.

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 = 101716192 and 101716201.

It is a congruent number.

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, 26801 + ... + 30359.

It is an arithmetic number, because the mean of its divisors is an integer number (8908900).

Almost surely, 2^101716220 is an apocalyptic number.

101716220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101716220 is an abundant number, since it is smaller than the sum of its proper divisors (112097380).

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

101716220 is a wasteful number, since it uses less digits than its factorization.

101716220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 101716220 is about 10085.4459494858. The cubic root of 101716220 is about 466.7991653245.

The spelling of 101716220 in words is "one hundred one million, seven hundred sixteen thousand, two hundred twenty".