32106620 has 144 divisors (see below), whose sum is σ = 88542720. Its totient is φ = 9554688.

The previous prime is 32106619. The next prime is 32106623. The reversal of 32106620 is 2660123.

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 = 32106592 and 32106601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32106623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 544151 + ... + 544209.

It is an arithmetic number, because the mean of its divisors is an integer number (614880).

Almost surely, 2^32106620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32106620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44271360).

32106620 is an abundant number, since it is smaller than the sum of its proper divisors (56436100).

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

32106620 is a wasteful number, since it uses less digits than its factorization.

32106620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 109 counting only the distinct ones).

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

The square root of 32106620 is about 5666.2703783000. The cubic root of 32106620 is about 317.8324209676.

Adding to 32106620 its reverse (2660123), we get a palindrome (34766743).

The spelling of 32106620 in words is "thirty-two million, one hundred six thousand, six hundred twenty".